I like the props when they work, and dislike them when they don't. As this is a personal preference, of course, it almost goes without saying that the props I like will be loathed elsewhere, while others will love the ones I hate. Sigh.
On balance, it was a shrewd move to introduce props when there is such a large field of competitors. At least it's a help for the viewers without technical know-how (erm, that would include me) who are trying to distinguish one dance from another - 'oh yes, I liked the one with the unicycle - which celebrity was that again?'
Were this a proper dance competition, it would indeed be 'faffing abaht' but, on balance, I think they have added to the entertainment value.