[JohnFen]

> Also, academics and engineers don’t derive their income from labor

I'm an engineer and absolutely derive my income from labor. I don't get paid for just knowing people or knowledge asymmetry, I get paid for producing stuff.

[zmgsabst]

…based on your specialized knowledge.

See my example about lawyers:

> Eg, lawyers were never part of the proletariat — yet they also need to work to survive.

Perhaps you could address that.