Funny you mention the french revolution. I think it's a great point of comparison because the precursor situation has so much in common with NYC's current situation.
The french didn't revolt because the rich were rich or because the rich weren't kicking in. They revolted because (warning, massive generalization) the government was taking a lot of money from everyone and squandering it (paying back debts for boondoggles, to the benefit of many wealthy people) despite times being very tough for many. While few are literally starving in NYC the parallel, particularly the government taking in tons of revenue yet failing to deliver better conditions for its people, is definitely a strong one.
Refresher for those interested: https://en.wikipedia.org/wiki/French_Revolution#Crisis_of_th...