No most are not stupid. They know the wall means the survival of the country. It’s not just about one man one president. It’s about the country. He’s the only one that has a chance to save it. And without the wall it is toast. You seem to think it is only about the one election, without the wall the next president will let the flood back in.
Anyone not realizing that Trump is doing all he can do to bring the Wall to completion and working around the Congress and Democrats to work on it already, is stupid. The Wall is a symbol of determination to stop Illegalism but, by itself, it won’t do anything except make it harder to get here.
What would produce panic in the Left would be to start charging states with RICO indictments for conspiracy to violate the laws of the United States. And the private organizations devoted to Illegalism.