I am not so enamored with ADI datasheets. But I do not notice any problem with the visual sample you show. I do not find it difficult to read.
Rather, my peeve is with Arial and some other fonts. Have a look at the attached image.
With Arial font, the I and the l look identical (or nearly so.) This opens possibilities for ambiguity, scams, or maybe some "black swan" events where characters get confused. For this reason I do not understand the popularity of Arial font. Tahoma, Verdana and plenty of other fonts avoid this possible confusion. In an era where minimizing errors can be critical, I feel that I have no use for Arial font.