Feelings are useful for figuring out what your goals are.
They can be money, they can be something more vague like recognition, or truly nebulous like "a sense of human connection," but you've got to have goals. Otherwise you're just a child stumbling in the dark and yelling out.
Reading the post, I don't know what the author's goals are, and I get the impression they don't either.
It sounds like they weren't sure about their goals to begin with, didn't do anything to achieve them, felt robbed because other people's goals were misaligned with theirs, before finally accepting they can't change the past, which
Duh.