> the fact that this post is recommending Tarsnap and magicwormhole shows how badly it has aged in 6 years

What's wrong with magic wormhole?

It’s just not the same thing. There is significant overlap, but it’s not enough to be a reasonable suggestion. You can’t suggest a service as a replacement for a local offline tool. It’s like saying “Why do you need VLC when you can just run peertube?”. Also since then, age is the real replacement for pgp in terms of sending encrypted files. Wormhole is a different use case.