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.
“I saw six men kicking and punching the mother-in-law. My neighbour said 'Are you going to help?' I said 'No, six should be enough.'”