Perhaps seven thousand of them work on SRE and moderation, and the rest work on that infuriating 'See what's happening' doorslam which reminds me I need to write an extension or something to always use nitter instead.
Anyway, if someone has any idea what they're actually doing, please share. Couldn't find anything in the linked thread.
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I forgot about Spaces, that was kind of neat. It was released May 2021.