Although not everyone knows about this matter, those who do keep explaining that story from back then in the group.
A bunch of people in the group, regardless of what they are doing, almost all come out to join the gossip!
Most importantly, back then this matter was a sensation that didn't just stay within the mathematics circle, everyone was gossiping...
Of course, not just the questioners think this way, but also for the platform, for every highly-followed or likely to become a hot topic question, naturally, there are staff who will follow up.
They might even manually adjust the question's popularity a bit.
Of course, as long as there's a question and no answer, it means it's all algorithm. Entering the intelligent era, algorithms and big data are not just productivity tools but also scapegoats.