It's just business, they are battling for customers just like any other network.

Let's hope this battle gets more vicious between the networks, that way we should all see cheaper tarrifs popping up.

When I left vodafone they were offering me mew plans and a phone just to stay with them but I still left all networks are the same as they way thay see it is a little custom is better than none

Exactly, if you leave them then the chances are you are off to a competitor and that's bad for business.