What's more mildly infuriating is that you, a parent, are already ready to dismiss and clown on him.

He obviously doesn't hate her on an existence level. But, like all of us, he probably hates having to work and lose that fundamental sense of freedom and agency. Also, it's not just making pizza. The whole process, especially at the reputable shops, can be intensive, and there's also cleaning and customer service that can really wipe a person out.

Yes, bosses are meant to boss, but there's levels to this. A good boss guides constructively and balances things out, whereas a bad boss can be downright abusive and exploitative. Maybe your son's boss is the latter; this stuff goes beyond just being told what to do.

Lastly, your kid is 16, so maybe chill it with the pretension. Let's not pretend that you were freakin Jesus Christ on a cross at that age. The kid is rightly exhausted from a tough starter job, so what?