WeWork's IPO fail and Casper's disaster show the market has soured on 'fake' tech companies, says one VC. Here's what he says that means for other unicorns. (CSPR, PTON, UBER, LYFT)

· The public markets haven't been kind to many of the startups that have — or tried — to go public lately, such as Uber, Casper, and WeWork.
· The problem is not that public investors are souring on tech in general, but they've become much more discerning about what is actually a tech company — and valuing each...