No judgement on the game itself, but it is actually kind of comical how unbalanced this pro and con are on my personal scale. It's like if the con were a lightning rod on top of the house, and the pro were a corpse rotting under the floorboards.
If people are more like me than like you, it's not odd at all that this hasn't been done.
The only thing about the game is that there don't seem to be any sequence breaks or really super interesting techniques to exploit. It would be about efficiently going through the game, which is not as interesting from a speed run standpoint.
Are you talking about the kind of thing like the 27-minute Dragon Warrior, where you are constantly saving state and resetting? Or a more normal thing where you figure out the best spots to level and the best weapons to buy, etc.?