Earlier quoted context omitted.
Someone has to prove that there’s a demand for paid local first subscriptions. Open source and tailscale can’t shoulder it all if you want more adoption.
Or split into 2 things: Most people have a Dropbox, Apple Storage, Google Storage or similar. A lot of people used to happily pay for desktop software. It is sort of a combo of those 2 things economically. Dropbox could sweep up here by being the provider of choice for offline apps. Defining the open protocol and supporting it. adding notifications and some compute. You then use Dropbox free for 1, 5, 10 offline apps…
More or less no one used to "happily" pay. Absent pirating software, they did pay often hundreds of dollars for all sort of software sight unseen (though shareware did provide try before you bought) which often came with minimal updates/upgrades unless they paid for such.
But expectations have largely changed.