The key is if you can match the simulation parameters to the results, so you can say "if the disadvantage of having to produce hormones to control the host beco

The key is if you can match the simulation parameters to the results, so you can say "if the disadvantage of having to produce hormones to control the host becomes less than X, then we see sex mind control appearing - we generally don't see this in nature, so it must be more disadvantageous than X to produce hormones". That's a real result.