If you look at the bigger picture, either both of these features should be allowed, or both of these bugs should be prohibited.
It's up to the organizers to decide. I think it's... not by chance, as old Winnie-the-Pooh would say. Perhaps there's a practice on other portals.
But in any case, both of these points are equally difficult to check in a tournament. And besides, even if they are mutually excluded, there are still more than enough tactical subtleties in Heroes 3.
Therefore, I take it calmly - in the end, everyone is in equal conditions.