…the next pick to the people who saw you pick the “winner”. Now half of those people see one team, the other half see you pick the other team, and whoever saw you pick the winner thinks you’ve got a 100% accuracy rate over two games. You could do that for a while and then offer to sell your pick for the Superbowl. Starting with a big enough group in the beginning, this might be really lucrative.
But is it legal?
I mean, this lemmy post would be exhibit #1 - but even without it it is not at all difficult to establish intent to deceive from just the actions OP is suggesting and nothing more. Sometimes intent is the easy part.
You’re looking it after the fact, how would you ever know in the moment?
One of the people emailed could potentially report the suspicious behavior, especially if one gets burned by the made up sports advice.