I would argue that you can't do better for help and support than for old niche technologies and frameworks, because things like that always have a vibrant community of enthusiasts ready and eager to help.

Compare eMacs. Why isn't everyone using eMacs? It's basically superpowers for any client you install it on, and it installs on everything. Ridiculously hardcore fanbase, we're talking original flame wars on Usenet levels supporters.

Usenet, apropos, is quite topical on this matter. You should look it up. Fuck it here's the robot for ya:

Usenet is a global discussion system where users can post messages and read responses in subject-based forums called newsgroups. It's decentralized, meaning there's no central server or authority, and it operates across many different servers worldwide. Users can participate in a wide range of discussions, from technology and science to hobbies and arts. It's text-based and functions somewhat like a precursor to modern internet forums and social media, but with a more straightforward, less graphical interface.

Original RSS, from back in the day. Still active.

If you're interested: https://techjury.net/blog/what-is-usenet