Assuming the country is able to survive the Trump presidency is over, one service that Trump may have done for the country is help us identify which presidential customs and traditions should really be codified into law. A lot of limits on presidential power, like the idea that agencies like the FBI and CIA should have some independence from presidential influence, were just customs that Trump's predecessors respected. But Trump is showing us how important these customs are and his breaches of those customs is a pretty good argument that they should be protected by legislation.
