It's very hard to convey a deep and nuanced thought with any number of characters. People add more because they're anxious they're failing and adding more words

It's very hard to convey a deep and nuanced thought with any number of characters. People add more because they're anxious they're failing and adding more words is easier than picking better words. And because you need 250 pages worth of them to get a publishing contract, of course It's uncommon to read a 300 page book that couldn't have made its points better in 30 pages - and properly rare to read one that couldn't have done it in 150