Trump got his yes-man. JD will do anything and everything Trump wants without question. Ugh. Please don't let these two in the White House! Please!!! A barely functioning Biden is better than that any day!

This statement has never been more true:

Remember, in the tech industry, standing still is akin to moving backward.

It looks like it has much more to do with distractions and content type than the quality of the screens or fonts. From that, I assume that reading a good book on a digital screen with notifications off would show very little difference in comprehension. So, as usual with studies, the article title is a little misleading.