The majority of players:
(a) don't bother to learn more
(b) are stubborn with their ways, and while reading, will not actually change a lot of their play

More importantly though, you might consider this:
The best way to learn and retain information is to teach it to someone else.

I don't remember the exact numbers, but studies have shown that with normal memorization you'll remember something like 30-40% of the information long-term, but if you teach it, you'll remember 80%.