Exactly I just.
Ugh.
But yes I like having well dressed ladies with large bosoms kicking ass without being promiscuous or flirting with everyone and their mother. No there's nothing wrong with those things but having large breasts does not auto shove you into those categories
And that's why my saint's row gal will always have special place in my heart 
This is something I really wish they had done differently with Isabela. As it stands, the fact that they hung melons on an openly sexual character really reinforces the idea that big boobs == sex.
I would dearly love to see a character like Aveline reveal, at some point in the middle of the game, that she has been quietly enjoying a varied and active sex life all along.
Subversion, rather than reinforcement of stereotypes.
And because sometimes the people who talk about something the least are the ones who actually do it the most...