I’m a hiring manager for a fairly large company that most, if not all, would know if name dropped…
I would consider Nico a quit without notice. This would make him ineligible for rehire regardless of demonstrated abilities or lack thereof.
Secondly, I’ve only had this happen a handful of times, you come to my office demanding more money or you leave…unless you can show me very clear evidence to back up your demand…let me get that voluntary separation letter for you.
There is absolutely no way I would recruit or even consider rehiring someone that fits either scenario.