And it’s not like you will be able to install windows on a ps5 and use it as a replacement PC even if it is theoretically possible.
This is what general computing is about these days. Most consumer devices these days are powerful enough to do most general computing tasks. Even watches! But it's all the additional stuff you need to do to expose that power that prevents it from being a good general purpose device.
Whereas consoles are can be well suited in other domains outside of gaming even without installing additional peripherals nor hacking the OS.