You are participating in a program that *depends *on screwing a large number of the participants to provide benefits that may as well be outright lies for some portion of them. If you think being among the rats fast enough to grab the cheese without getting your neck broken is adequate ethically, bon appetit.
But otherwise, it’s on the same ethical slope as, and not too far removed from, getting $1,000 for pushing a button that kills 1,000 random people. You just choose not to think of it that way, cuz you’re smart and fast and got yours.