Uhmmmm...NO
He didn’t look incompetent or lousy in the debates.
His behavior confirmed to millions what everyone knows: Joe going Benjamin Buttons
Regardless of whether you are referencing the movie or the disease, I have no idea what you are talking about.
In the F Scott Fitzgerald book which was made into a movie, Benjamin Buttons ages backwards, which would mean he could be get better over time.
In the real-life disease (hutchinson-gilford progeria syndrome) people age faster than normal, and appear old at a young age.