Earlier quoted context omitted.
As someone who layouted more than one printed book: this is a pretty normal paragraph size for printed books. Even a bit short maybe (e.g. compared to novels). What books do you read?
Literally no book I hare read had lines as long as this one tho. They also dont use red text color on orange background with additional dark orange letters on it. My point here is that this particular text presentation is really quite bad.
Try Proust