Then that’s probably the answer you’re looking for. Who else is gonna give you a better answer?
I also think that makes quite sense. People with regular vision can just glance at a picture for half a second to get the idea of it, and move on. Having to spend a minute on every illustrative pic, no matter how unimportant, sounds more annoying than missing out on an extra layer of information. (Most of the time.)
I used to be a journalist and I’ve learned you can trim a helluva lot of information without really losing much. It’s a generally useful skill since time is limited for all of us.