I edited my post, but basically we could have our simulator works as it does now by saying this is what would have happened in the analogous "real game" scenario.
1. Battle is about to begin.
2. A neutral Judge covers the top screen of both link players.
3. Both battlers proceed to pick their teams.
4. Battle begins.
Many fighting games use similar procedures in tournament play for both fighters to pick characters, so that they can't metagame each other. "Blinding" the battlers is a perfectly reasonable proposition since it doesn't actually mandate any software changes to the game.
The reason this kind of thing is okay when eliminating critical hits, etc. is not is because it can be easily done "in real life" without modifying the cartridge in any way.
bringing this up to discuss "do we haaaaaave to" again