as with every discipline that AI and therefore computers can reason through suddenly:
you could always do the discipline you liked before for self fulfillment purposes, and you can still do it for self fulfillment purposes now
But most people who want to get good at their main discipline, even for self-fulfillment purposes, have been gaining the necessary experience through their job, because an unrelated job takes away too much time to do so.
But most people who want to get good at their main discipline, even for self-fulfillment purposes, have been gaining the necessary experience through their job, because an unrelated job takes away too much time to do so.