> companies like Tesla, Netflix, anything with a super high P/E is going to be taken out back and shot

Not that I disagree with you, but I believe a contrarian viewpoint would be something along the lines of "We are currently in the midst of an economic revolution as increasingly large swathes of activity are digitized and lingering mechanical/human processes are computerized. Companies likely to be successful in this new economy are unlikely to be the same ones which were successful in the old."

(To which the obvious rebuttal is probably "People are always saying things are about to be different, and they're usually wrong.")