Denigrating art you don't understand doesn't hurt the art - it reveals something about your willingness to learn.
Good ideas come from bad ideas, but only if there are enough of them.
Popular is not the same important, or often, not the same as good.
Where do you go to get permission to make a dent in the Universe ? If you think there's a chance you can make a dent, go !
If you can't make money from attention, you should do something else for a living.
Either you defend the status quo, or you invent the future.