This is classic critique. Dropbox was criticized in the same way when it was announced years ago.
Magic Wormhole is cool (I just learned about it! Thanks! :)), but most people don't use nor care about the command line, and are probably afraid of it.
I think that might be billed on the sender vs the receiver. So if you're a solo creative person sharing stuff with clients, this can be one way of doing that. Also potentially useful for small businesses without an enterprise file sharing solution.
