Ask HN: Are Service Workers broken or do Twitter engineers suck at them?

It's probably an incompatibility with something in your environment. The specific browser version, OS, a plugin etc. If we could run Docker containers in service workers then this sort of thing wouldn't be a problem.

I shouldn't say things like this even as a joke. Someone might take it seriously.

Safari wouldn't be involved, would it?

Relax. Big tech sucks by definition and that's a chance for everyone to take over. The motivation of their staff is totally different, regardless of what they have graduated, Harvard or Oxford.

i've been using service workers for a few years now. I still don't know what they are for. I just copy/paste from docs