Or they need to maintain their income to continue their lifestyle.
I am not particularly passionate about my job as a sysadmin. I don't hate it, but it would be nice to just spend all day skateboarding or playing Starcraft.
But, I have aging parents to take care of. Housing prices have skyrocketed around me. This is what I need to do to maintain a certain level of security, and indeed luxury, for myself and my close family.
And this isn't weird.
Go back 3-5 generations to when half of the population was employed in agriculture. Was everyone passionate about cows? Potatoes?
The reality is, I have a better shot at following my passion by trying to get into FAANG and working there for 10-20 years so that I can then pursue the things that I am personally passionate about.