Yes, where "comprehend" means to meaningfully understand and appreciate. I was trying to express the idea that if something can be comprehended, in this sense, as fast as it can be speed read, then perhaps it's not worth reading.
Most informational books are packed with examples and context. Sometimes you need that stuff, but other times you can get 90% of the information you need just by reading the introduction, table of contents, and chapter conclusions.
I think it's important to understand your motivations for reading, and then choose a method that best fits your intended goals.
Reading is like eating — sometimes you want to savor a book and other times you want to grab and go.