The pharma example,is interesting because the FDA requires that the dosing information printed on packaging for over the counter medicine be written for a fifth grade reading level.

It’s not just the level of education but the clarity of instructions when the reader has a migraine or is worrying about their child.

This technique can be used as an antipattern: make the visitor’s own “happy path” satisfy their reason for visiting g (say, purchase); stuff all your extra fees into places they’ll skip over. The classic “fine print” technique.

This isn't actually that strange.