That's pretty biased. I mean how many 6 packed ab dudes clean pools topless for a living?
Sex sales, that's a fact, but Women offering to help coach/support you at Overwatch is a market, that doesn't make them Whores, it's just a market.
I personally prefer playing with females, they tend to be less of a douchebag than the average 14 year old prodigy and are usually kinder in their words.
The article never states at any point in time they flirted with him, they're just making money the way they can. I definitely wouldn't calling it whoring themselves out
I remember back in like 2007 or so T-Squared offered a paid service where you could get coached in Halo by Halo Pro's, no one called them a whore for it .