Nothing, I guess, but he just looks like an old perv trying to get into her knickers!
And when she speaks, she actually sounds quite dumb, as in not really like she knows much at all about setting up turntables - hence why he corrects her, rather sternly, when she states that the T/T in question can be set up in "15 mins"
So, if you're going to involve 'dolly birds' in your promotional videos, and claim that they're trained professionals, then at least teach them to portray themselves accordingly!
Marco.