The fact that ESPN itself has a sports betting app tells you all you need to know about the perversion of sports now that gambling is blessed by the government. I think I can live with the legalization of sports betting if there are strong restrictions against marketing and advertising. If you want to ruin your life that's your decision, and you can always just take the same amount of money and bet it on the stock ma…
(The intersection with US ad culture – for existence, drug ads on TV – is maybe also unique.)
Sport has, as a business, always been random number generation for gambling purposes. Some, like horseracing, have basically no other point. Gambling is going to happen, and like weed, it's probably better that it's regulated and taxed than entirely underground. There's no more gambling content now than there was fantasy football content before, and fantasy football was gambling too.
If we're looking for a perversion of sports, though, how about the NCAA's industrial-scale wage theft? US professional sports should have junior systems which pay the players like the rest of the world...