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Furthermore, this blog post has outdated information and many of their problems with Matrix are fundamental for federated protocols.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.
Did you ever try filter coffee from a speciality shop? Some coffee variants almost taste tea like. A whole different experience from your common bitter liquid