consider this question: Is it possible to make xelatex to compile just once?.
it has one self-answer, with one up-vote, and is more than a year old. yet it has reappeared with the banner
bumped to the homepage by Community♦ 35 mins ago
according to the community profile, this shouldn't be happening.
i am confused.
[also, the community avatar seems to have changed on the main page. probably not related, but may indicate that they're "adjusting" the system again. i hope we don't have to be prepared for double-backspace disasters ...]
edit: it has been hypothesized that a question with no up-votes and a very low vote on a single unaccepted answer is fair game to be bumped. okay, but in that case, the community profile should be amended.