I don't have a strong feeling about the pact. I think there are good arguments both for and against acting preemptively. I support whatever decision the mods make there.
I do wonder if this discussion is a little academic, because I feel like Meta instances are very likely to get defederated for some reason under the current rules, like poor moderation, spam, or generic abuse. Like, Facebook already has a moderation team and practices. They already allow all kinds of transphobic and queerphobic posts. They just explicitly said you can post Covid misinformation too. I don't see any reason they would moderate their Fediverse servers differently, and I can't imagine that'll fly here. But again, I understand if the mods want to see that actually happen before they take action.