I understand what you're saying, but I think this is the key to my point:
> It would be a user experience that reddit could make as terrible as they wanted.
It's an unfair cat and mouse game. Yes, effort could be made to fix it each time, but, if reddit chose, they could force everyone into the "most users" group, when the only app works for 5 minutes a day, and people get bored, because they decided to randomize page elements.