Loopholes, fortifications, laws where only 'norms' existed before.
The alt-right will not simply vanish but will morph into something else just as hideous, or attach itself to some other 'personality'.
What will be left of the GOP?
That's before you even get to the institutions that have been repeatedly maligned or undo the damage done through EAs, the tax reform, the environment, international relations and internal regulations.
Actually, this is just scratching the surface. 