One thing i never understood about Liberals (being a Liberal myself, it's just a couple of items i don't agree with), is why don't they agree that bumming must

One thing i never understood about Liberals (being a Liberal myself, it's just a couple of items i don't agree with), is why don't they agree that bumming must be a felony in itself? It is in many countries. Effective, proven solution. There must be no bums in the streets.