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 thought they'd get one of us, but Jack, after all he's been through, never worried about it I thought it would be me.”
“A system of education, which would not gratify this disposition in any party, is requisite, in order to obviate the difficulty, and the reader will find a something said to that purpose in perusing this tract.”