That's more of a moral question. The best and brightest are the ones running the casino. Why would someone spend 8 years in expensive schools becoming a doctor when they can work as a developer or marketer for an online sports book? Morals on the consumer supply curb demand. Morals on the provider side can help curb innovation and expanse.
Because the former is meaningful and the latter depresses you if you think too much about it, so you found strategies of not thinking about it that ultimately eat away at your soul and anything that makes a life worth living?
Yes, but the realization of this comes from experience or age. There are always new hires to fill the positions when the pay is high enough compared to the alternatives.