I get so many people who react to my baked goods with “Wow, you should sell these!” I bake to unwind from work - what would I do to unwind if baking was my work? I already ruined thrift stores for myself by working at one for my first job - I know not to do it again.
It’s true that it’s their choice, but a lot of people grew up hearing the phrase “Do what you love and you’ll never work a day in your life!” so when they enter the workforce and find that they hate it, they look for a hobby they’re passionate about, and plan their career around it. But when they make it their job, they find that instead of the hobby making work more bearable, the work instead makes the hobby unbearable, and now they’ve got a job they hate and have lost one of their passions.
I’m sure there are some people who can love their hobby even as they are forced to wake up every day and do it regardless of whether or not they want to, but for me, anything I have to do every day becomes something I hate. The best career option for me is to work with something I was already indifferent toward, so it doesn’t matter if I start hating it.