The normal way to publish is to point them (Netlify and alternatives) at a git repo and they pull, follow configured build rules, generating the resulting stati

The normal way to publish is to point them (Netlify and alternatives) at a git repo and they pull, follow configured build rules, generating the resulting static site (then updating it whenever the repo sees new commits). This drop mechanism is likely just to draw people into the ecosystem by making it easily demonstrated, but clearly isn't a long term solution.