Stuff like this isn't meant for them, because they won't abandon their cheeto dust messiah. Posts and articles like this are for those who, somehow, are still on the fence about him.
I think about it the other way: there are lots of people that are uninformed and apathetic, they didn't like trump, but think there isn't a big overall difference between the two old guys. Those are the people that need to understand how bad Trump is, and how good (in a relative sense) Biden is as the alternative.