Well, duh.  All those overvalued &quot;unicorns&quot; are tying up venture capital. Going public and bailing out the early stage investors doesn&#x27;t work if you&#x27;re way overvalued.  Especially when you have to publish real numbers in the prospectus.<p>The series C investors may turn out to be the greater fools for a number of major startups.  Uber comes to mind.