Earlier quoted context omitted.
TNT duping is a good example. It’s basically impossible to accidentally run in to this glitch, but the community has built tons of mechanisms around using it and generally like it. Patching it out would be more “correct” but serve to only limit user creativity and inventions.
TNT duping is a classic example of how players will optimize the fun out of the game if you give them a chance. Your claim that people won't accidentally run into is not true as it only takes one YouTube tutorial to discover it. Many popular farm designs rely on it so it is not hard to stumble upon it. Remember this is a game where people had to use third party sites to figure out how to discover how to craft anythin…
That was a glitch that made minecarts go fast and far. Notch chose to add a simple block that accelerates minecarts and then fix the glitch.