To be honest, I am not a big fan of the idea of speed reading in the first place. I think if you are trying to read and comprehend something too quickly, discernment goes out the window and you are simply memorizing something. Many (all?) people have a tendency to confuse something that is a memory vs something they like. It is very easy to indoctrinate someone who is hell bent on memorizing something because they don't have time to stop and ask them selves "does this really make sense?". This is why any form of commercial advertising works (even annoying advertisements) because your brain eventually mesmerizes the brand/product. For example, when you are at the grocery store looking to buy breakfast cereal, you see a brand that has been heavily advertised and think "that sounds good" but really you are experiencing "that looks familiar".
*Edit: Typo
*Edit: Typo