The same kind of "I just love to code" tech wizard that builds an amazing service/library/product, overworks itself while letting big companies extract max value out of it and contribute nothing or extremely little to the open source world.
Every day I think of the Homebrew creator who got rejected by the company that uses his software daily. This should be in the mind of every dev imo.
Tech wizards wrote their fate on code, compiled it and served it to the market. This is the result