In Irish law, busking is considered vagrancy - you can be arrested for it. It's risky asking people for money in public. So it's not like it's a high-art job. And people who do it as a high-art job make very little money.
“We benefit from doing nothing, from going out to play, from giving from the heart and spending time in nature. Most of all we benefit from having healthy, strong, and loving relationships with other people and from exercising the altruistic parts of ourselves.”