Because 99.9999...% of the population doesn't have that as an option. The cheeky expression "they wouldn't call it work if loads of people wanted to do it" come

Because 99.9999...% of the population doesn't have that as an option. The cheeky expression "they wouldn't call it work if loads of people wanted to do it" comes to mind. As a general rule, if someone (a group, etc) is willing to pay you to do something it's not something that's going to provide "psychological" or "spiritual" gains.