Earlier quoted context omitted.
It seems like the original post may be just a little biased against Matrix in favour of XMPP ;) Matrix has been going strong for 10 years, and while it's true that the Matrix.org Foundation (and Element) need funding (c.f. https://matrix.org/blog/2024/01/2024-roadmap-and-fundraiser/ and https://matrix.org/blog/2024/04/open-source-publicly-funded-... ) it's clear that elsewhere in the Matrix ecosystem there's loads of…
It's not less sustainable than most other FOSS projects, it's just that most other FOSS projects also don't have sustainable funding. If you're just comparing the actual implementations this is true of most XMPP stuff as well. However, that's not what's being talked about here most likely (though it's unclear since when we just say "Matrix" or "XMPP" we're talking about a protocol, not a service, client, server, etc.…
This not true.
Element (the company set up by the original Matrix team to fund their work) may be VC funded - but the Matrix.org Foundation is entirely separate, with its own leadership (the Managing Director is Josh Simmons, formerly president of OSI), its own accounts, and is funded by memberships and donations. It’s also electing its own governing board in the next few weeks: https://matrix.org/blog/2023/12/electing-our-first-governing...
Calling it a “sham” is demonstrably untrue, and far from pleasant.