And at least 2 of those are only as high because of greed and deliberately exclusionary policies.
At least looking around at other adults, I've noticed many spend really, really appalling amounts of money on things that don't really improve their lives in any way - and furthermore, that they seem to do so solely because it's what their parents did, or what they think is appropriate in society. Moreover, most consider it essentially an ironclad mandate that they work a 40 hour week until they're too old to work any longer.
I think it's pretty clear that xenophobic resistance to Remain was whipped up by various politicians. Are the people that voted based on this bigots? Many of them, yes, but some are just exhibiting fear of "them" (taking jobs, etc).