It is basic counting (14% of words probably in 62% lines), that does not take into account that context provides accurate inference on what the meaning is. Dataiscrapsometimes

I've noticed this as well. I have been learning Japanese for about 2 years at this point (sometimes more, sometimes less serious), and I have a really hard time understanding anything that is not targeted at children. Mostly because it's too fast and I don't know the words.