The vast majority of the population working 8AM to 5PM jobs for somebody else just can not relate that other people have the talent and good fortune to be doing something with their minds that creates wealth enough to make their personal time worth the cost of a private jet.
I bet if most of these critics were offered the choice of being given $500,000 or donating it to save 500 tons of CO2 emissions they would cash the check in a heartbeat - I know I would.