I think our government has underestimated the resolve of the common people in general for a very long time.
When a "bad" police shooting happens, nothing is done.
When politicians and government agencies commit crimes, no one is held accountable.
When media outlets are found to be reporting non-truths, or when the voice of the people is censored, nothing is done about it.
There is an aspect of the public that has gotten fed up with our government- and not just the pro-Trump groups - which naturally receive the greatest amount of publicity.