They are there for Sponsorship and to look pretty.
I love the idea of giving it to a fan but my face and stumpy height isnt going to sell Martini.
If it's a 'girls' problem get male models involved.
Personally, I as a female, have no objection to someone consenting to and being paid to be a grid girl. PC gone mad. As long as nobody IS touching them up what's the problem? All that's happened is some people have lost income because of do-gooders.