>Which anti-cheat has bricked users' PCs?

the one we're talking about, where riot tweeted "congrats on your $6k paperweights".

>The Riot example above specifically targets DMA cards (cheating hardware) which no legitimate user will have.

you can play league/valorant legitimately, be using dma for whatever else, and apparently riot will still gladly brick your pc.

you apparently don't even need the games currently installed! if you have vanguard leftover from months ago when you did play, remove all the games, and then decide to tinker around with dma for fun/learning/who cares, riot will still come after you, despite not even playing their games.

even if that seems unlikely, refer back to sentence #2 of my comment: "and even if someone is cheating on a riot game, bricking their pc is obviously fucked, and will end up biting riot in the ass (i.e. not good for riot, either)."