Whether you appeal to "democracy" or "free markets" or the trickle down effect or whatever, I think it is incorrect to attribute a weight of numbers endorsing his choices.

The customers and shareholders (and voters and regulators and business partners, etc. etc.) of Amazon did not vote for his yacht.

Bezos is one person with an outsized influence on society and if you don't trust other powerful individuals, it's illogical to give him a pass.

A capitalist and a king and a commissar with comparable powers aren't fundamentally different just because they are labeled differently.