Does it really matter? Many laboratories around the world experiment with highly dangerous viruses and that one leaked. Not that I like it but it's still a fact.
The problem isn't the PDS but the Relays. You need terabytes of storage and and some beefy hardware to run one of these. Also there are still quite some parts centralized.
I like DDG a lot more, especially because of the bang shortcuts. But I transitioned recently to Qwant. It also has bang shortcuts and is hosted in Europe.
Building a social network is hard. A typical chicken or egg problem. If you don't have a user base, nobody is willing to join, and if nobody joins, you don't have a user base.
It usually requires a bunch of money to build a social network.
The fediverse has a long time to go but I believe it will win sooner or later.
Have you talked with a therapist?