While this does work, I agree with OP here. The man page for caffeinate says that it prevents system sleep and, as far as I can tell, it does not do that on my M1 MBP using Monterey.
I do a `caffeinate -d` and then throw my mouse to a hot corner to activate the screen saver.
I do a `caffeinate -d` and then throw my mouse to a hot corner to activate the screen saver.