And that's with people who otherwise had good-enough prospects that the prediction markets said they could try to become Keepers in the first place!
Keltham paid to slightly subsidize a market once on what would actually happen to him if he tried to become a Keeper, just because he was curious, and the chances were 81% on him ending up unhappy enough that it wasn't worth toughing things out and deciding to just wake up in the Future a couple of centuries later, and 93% on regretting ever having tried.