Both men have high disapproval ratings. The are both viewed as “wrong” for different reasons by the majority of voters
Trump is “strong” because he believes nothing he does is wrong. I don’t consider this a plus but it makes him forceful.
After last Thursday, everyone saw that Biden was something other than “weak”. He was lost.
Analyzing in your framework…you have:
Strong and wrong vs non compos mentis and wrong.
If you’re honest, which is in short supply around here,…you know what needs to be done first…
…and it isn’t hand wringing about Trump…