The foremost purpose of performance art has almost always been to challenge the conventions of traditional forms of visual art such as painting and sculpture.

lol, fuck, thats actually funny.
When these modes no longer seem to answer artists' needs - when they seem too conservative, or too enmeshed in the traditional art world and too distant from ordinary people - artists have often turned to performance in order to find new audiences and test new ideas.
all of that is complete nonsense, from an ignorant, perverted, blind, unintelligent mind; you know nothing of art, the art establishment or the forces that mold it. I find the fact that you are still alive to be highly fucking annoying.