I also think fear-mongering won't help. There is little we can change about it. Let instances decide for themselves to defederate or not.
Yes, there is a risk Meta applies the "EEE" strategy. We shouldn't be naive about that. But why would you stay on an ad-ridden Meta ActivityPub server if you see there are friendly, ad-free Activity servers on Mastodon and the likes?
For a more positive view and an interesting read on the matter, I recommend: