I think there is some decline for both. Just that Biden has enough actual governing ability that he is still quite capable of being president. That might not hold for the next four and a half years, but it’s still better, IMO, than Trump who never had much going on upstairs aside from his ubergrifter spoiled rich boy “smarts”. His loss of any capacity, after showing how poor of a president he was years ago…
can’t lose what you never had.