New ask Hacker News story: Ask HN: Why did HN logs me out of all devices?

Ask HN: Why did HN logs me out of all devices?
3 by Raed667 | 2 comments on Hacker News.
From time to time, all my HN sessions, on all my devices are disconnected at the same time. I'm curious if there is a technical reason for it or a "business rule"? Apologies if this was asked before, I couldn't find a thread for it.