And there is also no "memorization of optimal strategies in all conditions either" - thats only done in games for retards you usually enjoy. Because such games are so superficial and dumbed down that usually you quickly figure out one optimal approach to all of the gameplay and then repeat the same thing over and over like a good pavlovian doggie.
His point was exactly that: in a good deterministic game with decent depth you simply can't see very far ahead as there is too much information to process.
No matter how exceptionally smart you think you are, human brainpower will be the limit.
Calm down and actually read what you are replying to, it's just basic english.