You don’t need to simulate them perfectly, just to the level that you don’t notice a difference. When the simulator has access to your mind, that might be a lot easier than you’d think.
There’s also no need to create p-zombies, if you can instead have a (non-zombie) AI roleplaying as the people. The AI may be perfectly conscious, without the people it’s roleplaying as existing.
You don’t need to simulate them perfectly, just to the level that you don’t notice a difference. When the simulator has access to your mind, that might be a lot easier than you’d think.
There’s also no need to create p-zombies, if you can instead have a (non-zombie) AI roleplaying as the people. The AI may be perfectly conscious, without the people it’s roleplaying as existing.