I don't know if I wrote about it here at the time, but my fear then was not so much about what damage he could do to the US political system, than about the damage he would do to the nation
by empowering racist criminals out there to insult, protest and kill.
I changed my mind about the potential for political damage, BTW. All he needs to do to strongly impact politics in America is to nominate enough supreme court justices and other judges. The judiciary is an important branch of government in its own right.