As the fediverse grows, there will inevitably be more centralized instances. Every big tech corp may want to start their own instance, similar to how most tech corps provide their own mail services.
There are millions of email service providers, but Gmail and Outlook are synonymous to email for a large amount of people.
Defederating with Meta and Tumblr is like Protonmail blocking every mail from Gmail. You just cripple yourself and make your instance useless.
I don't get it. Are Google employees completely ignoring all the negative press their messaging apps get?
Everyone online agrees, that all these messaging apps that Google keeps pumping, just hurt each other.
Here is a list of every messaging app that Google has ever produced: