Those things can be simultaneously true.
His pay package does not come into effect until Tesla network triples in a few years. Supposedly he doesn't claim the salary checks / have a salary at Tesla and his regular stuff seems to be mostly margin out to pay for stuff assume his income comes from SpaceX .
For someone who claims to be dedicated to saving the world he (1) is receiving one hell of an executive package and (2) spending a significant amount of time being a rude asshole to critics.