Journalist @​iscoe talked to someone who turned $200 into $500,000 on prediction markets last year. "I really am just taking money from people," the person sai

Journalist @​iscoe talked to someone who turned $200 into $500,000 on prediction markets last year. "I really am just taking money from people," the person said. "Every dollar I gain is someone else losing." "There's a lot of people joining and betting and losing and leaving. And there's a group o…