What am I missing here? Is there an obvious hole/exploit in the plan I'm missing, or do other traders prefer to leave it up to chance with random-alt, or?
IMO, I think you may be missing how the uncertainty factor just cant be overcome in the minds of the needed majority, for this to play out as planned. Saying that, you can see people understand the plan, im just wondering if the 'necessary' amount, just isnt enough. I also think the amount of calculating an individual has to do with regards to trust, with your direct involvement, but more so, with other traders is probably too uncomfortable for most, and/or too unconventional, maybe. Theres nothing you could have done, but it was arguably the worst time to try something like this, as far as trust/buying interest/general sentiment is concerned.
Thats not taking anything away from your efforts here, as ive found it interesting to watch from a social trading experiment, point of view.

You have something, just not sure it belongs here.