It is suffering from DDOS attack. People are already politicizing it trying to blame Iran.
and staff has been axed for awhile.
ddos happens, having a large staff isn't really relevant.
(source: was on the platform eng team for years)
I get that Musk is a dipshit and that there are other problems with the site since the change of ownership, but the griping about stability seems to come from people that don't actually use it.
And as a bonus there is rampant racism and hate.