People protest in the streets when they feel they are not being heard or represented by their government.  The World Trade Organization protest in Seattle in 1999, The Occupy Wall Street movement/protests more recently, the Bernie Sanders campaign with millions of small donors and supporters, are all examples.  The Tea Party movement as well.  The underlying problem that both sides will agree on is the system IS corrupt.  Trump stated that it is corrupt and was using slogans like; "Drain the swamp" because as he said, the people liked it.  Trump is a classic politician; he says what he thinks the people want to hear to get elected, then does what will make the rich richer while the people and the planet suffer.  Bernie was our real hope and the DNC would not let him in.  Shame on the two headed monster; Republicans and Democrats....I believe protesting is a good way to show our discontent; property damage and violence is not.