Barack Obama is extremely smart.
At best, Trumpism will be a more right-wing version of the same old Republican Party.
Trump has a lot of authoritarian tendencies that need to be a serious concern.
In the long run, however much damage we come through, Obama's vision is the one that's going to be left standing. It's a question of how much pain and suffering America has to endure in the meantime.
Liberals will only support you after you're gone.
Conservatives are much more comfortable supporting the leader who's in power than liberals.