It seems some states, like NY and California, have some sort of civil protections, however weak, that at least make companies write up justifications, document

It seems some states, like NY and California, have some sort of civil protections, however weak, that at least make companies write up justifications, document stuff, and do a PIP. It seems more rare to suddenly disappear someone unless they've done something terrible. Granted one month and 'here is an employee performance improvement plan that they will never achieve success for' is a bit dicey ethically.