matrix is a gold #4opens project but has 2 issues it's a defacto open "industrial" standard and it has semi opaque governance issues. Not big problems.

The issue is pushing #closedweb thinking into a #openweb project. Why do we need to add secure DM's to mastodon, exactly, and what would be added by this and what would be lost?

#4opens

that would be hugely blotted server wise, and mastodon is #4opens project so encryption is not a core part and would make the white lie of security this was built on, hard to maintain.

It works because it's #openweb to start to move to #closedweb would make this likely not work anymore.