Agreed on all points. I wasn't entirely sure that that was Bolton just because it didn't seem like the character from the book at all. Hopefully they do a better job with him once he's in it more. Joffrey is definitely enough of a shithead in the books without them adding bullshit about whores. So far the second season has still been awesome, but the things they are changing are really starting to bug me. Whores all the time, changing names that do not need to be changed, killing off one of Dany's bloodriders(I heard it was because of a scheduling conflict with the actor or something but whatever). I'm starting to wish I wouldn't have read the books before their respective season aired, it's making it a bit harder to fully enjoy the show like I did the first season.
That part really disappointed me, Sansa's humiliation at the hands of Joffrey was a huge part of the books, at least it was to me, they are showing it but I did not like the way they sped through it in the latest episode. I too was hoping the rampant nudity and all the focus on whores would subside a bit but I guess that's not going to happen. I mean they do talk about whores in the books a lot, but for the most part it's just talk. That whore that came from Winterfell is almost a damn main character in the show at this point.