Hikaru chose fame over chess
No he didn't, he chose to earn a fortune from playing chess by streaming on Twitch, fame was a by-product, he is these days a pro streamer not a pro chess players and given how much he dislikes FIDE and how much he's earning plus being recently married, I imagine he is much happier now than he ever was.
The rate of cheating here is 5% max, and probably closer to 3% or less. People' false perception of cheating is often just as much of a problem (hello, Vladimir Kramnik!)
Give your head a wobble, don't be so naive, and I concur tournaments it happens more in, cheating is absolutely rampant, the cheating statistics are completely meaningless chess.com can only catch stupid cheaters using cheating software on the browser that they're actually playing the game on, more sophisticated cheaters are using VPN's on their phone either for one or two moves in critical moments or in end games, making them virtually undetectable. Chess.com is a business and these nonsense reports monthly reports by Danny Rench are just for the optics 'look how many we've banned' etc etc. A good example of this is when you watch speed runs of Masters on youtube, where they were beaten by players way below their natural strength but were never banned despite numerous reports by viewers because chess.com's algorithm couldn't detect them. It's for this reason why I don't play Rapid, people have too much time to cheat, I imagine without knowing the stats, that the vast majority of people that are caught cheating, are Rapid players.
I almost lost to a 100 rated player in a tournament but won on time, that's not a typo, he was 100, not 1000. This same player also posted a 97.7% game after 24 moves in another game, but lost on time, he lost of time because he was taking agees to follow the computer moves. I tried to play a dumb gambit against this guy because I thought he's 100, doesn't matter, but then look at the tactic he spotted - at 100 level! https://www.chess.com/game/live/127530000985, I reported him as clearly cheating, but yet again their detection team couldn't detect him cheating. His accuracy after 25 moves was 99.6% !!!
I do think that he was cheating, however, I had a 24 move 95.5 accuracy rapid game today that was a smashing win. How am I supposed to avoid being reported?
well, to be specific about this year's world championship it was rather lame, I think ding being unhealthy multiplied by the fact of Gukesh being so young and thus not very established plus magnus not being involved, turned the world championship into less of a big deal. the candidates were very fun to watch, but I agree with OP on the recent world championship.