I think that a lot of what people say about Sam in this thread is incorrect or fits only a partial picture. (The highlights were very misleading about Sam and about how other HMs treated her, btw.)
I won't try to cover everything, but I'll try to touch on most points.
* She did not just stick herself to Maxwell and Anthony from Day 1. She did spend a lot of time with them (and Saskia) before Lesley was evicted, but much of that is because Lesley and Co, in their effort to "make her life hell", were so unpleasant to her. But even before Lesley left, Sam was spending time with Makosi and Kemal. She and Science got along pretty well throughout her time in BB. Their 'speed date' was one of the most interesting ones, imo, and he kept a flower from that task and gave it to her on her eviction night.
* She did make an a effort to get to know the other housemates. For example, Vanessa. Vanessa said Sam was the warmest and most welcoming on opening night. Sam often tried to be helpful to Vanessa after Vanessa had sprained her ankle. And though Vanessa turned against Sam during BB, Vanessa said after BB that she had misjudged Sam. (Sam was even nice to Lesley at times near the start.)
Vanessa's rule break that BB punished by putting them all up was because she had seemed friendly with Sam and Lesley took exception. Vanessa reassured Lesley that she (V) didn't like Sam and was going to nominate her that week. (Oops!)
* She did not walk around in just a bra and jean shorts all the time. I'm not sure she ever dressed like that. She did often wear a bikini, but it was summer, sunny, and she was in and out of the pool a lot (more than any other HM in bb6). Also, some HMs were talking and hiding some of her things almost from the start, which cut down on her choices.
* I don't know what's behind the idea that "Saskia discarded her from Team Saskia" or that "Sam was discarded by Maxwell and Anthony once Saskia showed a interest in them". Sam continued to spend time with that group after Saskia became part of it. What seemed to cause them to discard her was that they heard her booed and themselves cheered the night Lesley was evicted. (The cheers went to their heads which ultimately led to Max and Saskia's downfall.)
However, I largely agree that "Science and Roberto were nice to her when Team Saskia dumped her, she really did suffer during her last week," though it was Science more than Roberto and wasn't only those two. (Note, BTW, the timing: "her last week" ie the time after Lesley's eviction and so after its cheers and boos.)
* I don't think it's true that she "(criticized) the other housemates in the diary room alot, dismissing them all as stupid and losers." There was one DR session that kinda fits that description, but in any case, what she said about them was as nothing compared to what they said about her. And that she sometimes snapped back (such as little comments with a sarcastic tone) is understandable.
* There's a tendency to talk about the bullying as if it was only Lesley doing things. Lesley was in some ways the worst, and she was warned by BB after making threats about what might happen outside the house. But Sam had a group being unpleasant to her, and except for Maxwell (once, and imitated briefly by Ant), no one stood up to them.
* I don't think she was as lacking in social skills or ability to express herself, or to hold a conversation, as some think. I'm not saying she had the greatest social skills ever, but a lot of her difficulty in bb6 was because of the way Lesley and Co had treated her. She was more shy / introverted than most HMs, but she could hold a conversation, and she often expressed herself quite well in the DR. I don't think she was dumb, and I don't think it's really a point against her that she didn't "banter" in the way Max, Saskia and Ant did.
BB6 was probably the worst series for her.
* Re "playing the sex kitten", "played up her sexuality", and so on, that impression was largely based on an earlier DR session and a few incidents in tasks (such as the lap dance with Ant and kissing Makosi). It wasn't how she was most of the time. If she ever posed by the pool in her bikini, it wasn't often. She behaved around the pool like people do around a pool. She'd typically be in the water or lying on the lawn in the sun. (I don't know why people think they know what she did in the box. It was, after all, hidden by the box.)
It's interesting that all a lot of people seem to remember from the speed dates was her lap dance for Anthony. I think he speed dates were among the most interesting and varied. That was not evident in the highlights. Indeed, to catch the one with Science (which I thought was the most interesting) on tv, you had to be watching live and quickly switch between C4 and E4 because an ad break came along in the middle of it.