If you can build a service that’s able to depend on protocols and user community incentives to sustain itself then that’s better.
Centralized SaaS apps optimized for ads that could be shutdown, sold to languish at salesforce, or have constant spam aren’t the best we can do.
Zulip is better than discord on the above metrics, but doesn’t solve all of them. I think what urbit is doing is cool and solves more. There are other web3 experiments going on that are cool too.