I can memorize books on open heart surgery, but that doesnt mean im qualified to perform open heart surgery.
I kick booty at space shuttle flight simulators, but it doesnt mean im qualified to fly a space shuttle.
I can memorize books on advanced math stuff, but that doesnt mean im qualified to teach it.
Obviously memorizing things is great, but if you dont understand the "why" behind what youre memorizing? What are you going to do, when youre out of what you have memorized?
I have recently been memorizing stockfish lines of popular openings and variations. and I have found it's helped me gain a advantage in games. So I was wondering why people say it doesn't help? or have they simply not tried it themselves?