I haven't only recently became active on social channels and it feels like I am out of touch with something.
SaaS is not dead. People and businesses benefit from having relatively cheap access to maintained standardized software.
The "SaaS is dead" idea comes from some people using coding agents and thinking that companies will now produce their own internal software packages (CRM etc.) instead of buying in. Why would they bother?
However, highly-specific internal software might see interesting developments.