No, I think the more accurate view is it is something he had to overcome and kudos to him for doing such a great job. What anyone not wearing thick blue glasses is seeing are lapses of memory, confusion, slowness, and gaffes common with confabulation. I've not seen him stutter in the traditional sense.
I'm sorry you don't view Biden's public speaking ability in a favorable light prior to his current decline. But feel free to post some Mel Tillis-type speaking engagements.
On a related note, this was interesting and ironic.