There are way more options than playing or forfeiting when you find out the game is rigged...like flipping over the table chasing the dealer with a whip. Jesus style.
I mean...it gave him an opportunity to demonize the Chinese, so he did the Trumpy thing: prioritize race-baiting over the welfare of even a single American
And most of the remaining 23% give their money to their own charities so they can use it to influence policy, educational institutions, and medicine to further enrich themselves.