I'm not a big fan of creating drama myself, I like to let my fighting do the talking, but I don't mind some in MMA to add some heat to a fight. But f you are going to cause drama like that then you need to be able to back it up in the cage otherwise you just look silly.
She has had a few incidents at weigh ins, I figure she is just trying to play mind games which is perfectly valid, but her mouth tends to write cheques that her fighting ability can't cash.