It worked for trump, it kept him focused because there wasn’t a crowd to play too like at the rallies
Biden’s apparent willingness to show up at the debate despite
his infirmities can be ascribed to his virulent megalomania.
Biden’s obsession for great or grandiose performance is
exhibited by outbursts of wildly extravagant meanderings.
Megalomania is a delusional mental illness that is marked by feelings
of personal omnipotence and grandeur, that one can do no wrong.
He actually thought he won the debate.