The trouble is, Pandora's box has been opened. It turns out that the president of the US can act like a crazy post-Soviet-style dictator, and that the mechanisms which are supposed to prevent that are simply not fit for purpose. Even if in 2028 the US elects the most sensible, rule-of-law-oriented president imaginable, allies will still have to look to 2032. Fixing the problem would require constitutional change, which in the US is virtually impossible.