There are 2 problems here: validation of your self-image and the acquisition of resources for living. I can see your argument about the first problem, but the

There are 2 problems here: validation of your self-image and the acquisition of resources for living. I can see your argument about the first problem, but the writer/artist still needs to find a way to produce things that others will trade for energy, food, healthcare, housing, art supplies, etc. I've always wanted to be a musician, but unfortunately, I didn't have the means to do that without paying customers and I was never good enough to get paying customers because I'm not good enough. Thus the parent's point about needing to be rich for that.