You must have forgotten about how bad Twitter was after the takeover/purge.
December 2022 - https://mashable.com/article/twitter-down-elon-says-works-fi...
February 2023 - https://www.businessinsider.com/twitter-outage-elon-musk-cos...
March 2023 - https://www.bbc.com/news/technology-64811286
And yet, it's up NOW.
It's obviously hard to say how accurate these numbers[1] are, but it looks like Twitter has doubled their workforce from its lowest following their mass layoffs. It might be stable again now because they hired the workforce required to actually keep it running.
[1] https://www.demandsage.com/twitter-employees/