In what sense was it not an actual effort? Just because it quickly slid into non-marxism doesn't say anything about the initial idea of the revolutionaries. Bakunin predicted exactly what would happen with Marxism, and it did every time.
If you are against an authoritarian state, the only viable way to communism is to skip the dictatorship part directly and just have anarchism.
Is their shift key broken?
Furthermore, this blog post has outdated information and many of their problems with Matrix are fundamental for federated protocols. Good luck removing an email sent to another server, for example. JSON form is very well defined.
I can agree with the problem of DAG complexity building up, sure, but that is a tradeoff.