Silicon valley arrogance? If you don't like it, rightly criticize it (with the caveat that it's your opinion or state facts) and don't use it. I don't understa

Silicon valley arrogance? If you don't like it, rightly criticize it (with the caveat that it's your opinion or state facts) and don't use it. I don't understand the silicon valley bashing; if you are so smart why don't you build something better?