I find this quite interesting because I see this from the other point of view - I've seen S1 a few times and I think Josh was vile to Jess, as were most of the other boys in the villa. Jess didn't behave well sometimes but she was really pushed to the limit on several occasions and people were going out of their way to wind her up. Other people were behaving just as badly, the way that Josh and Luis in particular spoke to and about Jess was appalling.
The other big difference between Jess and Faye is that Jess was giving it out to people who gave as good as they got whereas Faye is giving it out to people who clearly don't want any part in an aggy drama. That's also the difference with shows like Geordie Shore and Ex on the Beach - there are loads of Faye's in those shows but they are there with other Faye's who are happy to fight back.
All this talk that Faye is a deeply damaged person who has suffered some kind of trauma is just assumption - no one who is watching her on TV knows why she acts the way she does. She may well have past trauma but equally she might just be a gobby, spoiled bitch who likes to get her own way. That first look clip shows how two faced she is - quite comfy being an arse to Lib last night but the first to run after her when she's upset. Why would Liberty want to talk to her after Faye declared they are 'not friends'. If Faye had the courage of her convictions she would have gone off and found Kaz and told her Liberty was upset so Kaz could go and comfort her. But no, Faye follows her like a rat up a drainpipe, probably because she can't have anyone else getting too much attention and she has to stick her nose in everyone else's business.
If Liberty has any sense she'll tell Jake and Faye to fuck off and get herself on a plane home to her family and friends before the final.