But it makes it _so_ hard to bookmark something in your mind, or to skip back to something, or to view an infographic in the context of the next or previous paragraph, or any number of things that have been easy to do with text and images for thousands of years. Trying to change the text size in the hope that you can just view more text breaks everything.
I find it really affects my overall comprehension of a piece, and the speed with which I can get through it. Given the universally positive comments elsewhere, I assume my brain is just wired for the dark ages.