They note that police can still compel performers to move on by saying that they are obstructing traffic or are without a license. The police also don't necessarily help mediate disputes that arise when, for example, retailers turn their stereos up so loudly that it disrupts performances or when performers steal one another's turf.
舉例來說，警察可以用「妨礙交通」或「無照演出」將街頭藝人勸離現場，有爭議時，警察也不見得會主動協助排解，例如鄰近商家把喇叭音量開得太大干擾演出，或是街頭藝人因為「互搶地盤」而起糾紛。