Not surprised; a day of reckoning was bound to come for the left. Consider that even if Trump had lost, his power base would still have existed afterward. Trump is not the problem, Trump is a symptom.
The American left took its eyes off of what's important, namely the working class, and instead spent its time and political capital on frivolous[0] causes. This is a wake-up call to refocus.
[0] Lots of things some might consider important are frivolous when you're living paycheck-to-paycheck.