Doug Chadwick wrote: "5. No taxes ............................ - just put your pay in your pocket and go home.
I trust that you don't make use of any facilities that other people's taxes pay for."

Now, I think it is reasonable that people who make little contributions to a busker's hat know their own minds. After all, if they wish to give a few pence to Her Majesty's Government, they are at perfect liberty to do so. And for all a busker knows, the punters may well be doing just that, and it would a mistake to pay tax twice.