Brooke said she wants El and Lee to win (despite attempting to blindside El). As
@timmydownawell pointed out, she also wants Sam or Matt to win. How is Flick betraying Brooke any worse than Brooke betraying El? "The person to blame is Flick" indeed. "I'm leaving here with my head held high". Really? What goes around comes around. She played a mean game, own it, don't pretend it was a noble one.
For me, Brooke is the first one who hasn't come across as likeable in the Villa. She seems just as cocky and ruthless as she did in the game.