One of the reasons I think they keep putting his condition in terms of his his age, is because Trump is about the same age. They're hoping to tar Trump with Biden's brush while avoiding acknowledging Biden's diminishing state.
You are right on time, fi.
It’s a form of gaslighting if you ask This Guy.
Twisting the issue to deflect, and to tar mentally-sharp Trump.
Advanced chronological age is only a rough first approximation of the problem with Biden. A few seconds of actual independent thought is necessary to conclude that it’s not age per se but mental decay.