Sure but by the same token, the point of discussing issues is that if you can do it passably, it can be a bit more convincing towards the audience than the usual soundbites and lazy negative claims about The Other Guy. But perhaps it's not exactly fair to expect that sort of semi-real discussion from either Biden or Trump.

It sounds more convincing to what demographic? It may convince people of above average intelligence, but half of all people have below average intelligence. For those people, emotional appeals will probably be more convincing than boring, logical arguments.