At the least it counters the Sleepy Joe rhetoric aimed at swing voters. It won’t convince the true believers (because they don’t believe in anything but destroying the left) but it might slightly change the swing voters’ impression of Biden (and of Trump) if this line of attack is neutralised.
I suppose it might be humorous if you expect him to follow some sort of logical consistency with his insults, sure.
At the least it counters the Sleepy Joe rhetoric aimed at swing voters. It won’t convince the true believers (because they don’t believe in anything but destroying the left) but it might slightly change the swing voters’ impression of Biden (and of Trump) if this line of attack is neutralised.