Wouldn't separating by versions and templates, as Oelm suggested, solve the problem? The only thing I don't understand is what to do with the WoG haters who love 8mm6a).

IT DOESN'T SOLVE IT!!!!

The problem will then be this:
which templates should be declared? For example, 3 SoD templates and 2 WoG templates; it's clear how it will end, just like the reverse situation. If the number of templates is equal, for example, 3 and 3, then whoever marks first will decide.

And it's really unclear "what to do with the WoG haters who love 8mm6a)." I myself have written many times that XLs on SoD are, to put it mildly, ...
But if foreigners appear in the tournament, it would be stupid to force them to play WoG; I think we can tolerate 8mm on SoD.
We can only hope that in most cases, opponents will be able to agree.

But in general, I don't see any problem here.
Even though I would prefer to play on WoG, if a situation arises where the opponent absolutely wants to play on SoD, I will make concessions without any hesitation. The main thing is the desire to find a compromise. And I think most players will be able to agree - if they want to.

Of the people I know who don't accept SoD, I only know 3. Vic has stepped away, so there's Ivor and Samurai left. Samurai didn't vote, which means the tournament doesn't matter to him. It's a pity about Ivor; he's a good player and a person who has done and continues to do a lot for the game. I think I've listed everyone. The other WoG players have been seen playing on SoD, so if more ardent WoG players appear, we can conclude that the tournament interests them less than their made-up principles.