I understand the mentality but depending on the project it can be a struggle. If I was going to set up a brand new software project then sure, I'd be going all in on Fediverse and open source platforms. Forge? Codeberg. Chat? Matrix. Forum? Discourse/Flarum or maybe just Lemmy. Microblog? Mastodon.

However it isn't easy to be that idealistic all the time and sometimes there is a degree of needing to do stuff against your ideals. I'm part of the Pulsar editor team which is a fork of the Atom text editor that got discontinued and we had to get things moving as quickly as possible in the time period that GitHub set until they pulled their services completely (along with their package backend). We needed the least friction possible to get things in motion and get as many people from the community involved as possible.

We needed GitHub - unsurprisingly Atom had close ties with GitHub anyway so moving away wasn't ever going to be quite that simple and we would have needed to migrate an awful lot of repos within the org. The entire Atom package system relies on GitHub - people published their packages to atom.io but the actual code was on GitHub - something not fixable in the short period we had. We also needed it because this is where the Atom community was gathered around - at a period where we needed things to be as simple as possible for people to find out about and get involved with the project, moving to another forge may have just been the end of it.

We also use GitHub Discussions for our forum - as we are already tied to GitHub for the time being we might as well use that platform as well - it is a lot easier than trying to maintain our own forums which wouldn't be seeing that much activity. The team behind Zed found this out; they set up a Discourse forum and barely anyone used it so they just went back to GitHub Discussions.

We needed Discord because it was simply the most commonly used platform. Pulsar split off from Atom-community which was already on Discord so it was a natural move that meant little disruption or friction to anyone wanting to get involved with the new project. We have been looking to make a Matrix bridge but honestly there doesn't seem to be all that much desire for it - we had some initial enthusiasm to create a Lemmy community but when we did it barely sees any activity (other than me posting updates there).

Would I love to move off of these platforms? Absolutely. However we simply have bigger fish to fry at this point in time for the project itself so it is going to be slow.

So whilst I love to be idealistic about what platforms we should be using I also heavily sympathise with those who use those "less than ideal" ones - there could well be some very good reasons behind it that might not be obvious to you.