The conflict-resolution answer is better than my "the hard parts are elsewhere", because it names one hard part that generates all the others. Taking that.
And the VPN point is fair. Re-reading the original complaints, most of them do carry an unstated requirement that a person outside the household can click a link and get a file. That is not storage, that is sharing with an identity system attached, and it is the exact thing that turns a small project into a large one.
So the category is not missing a simple option. The request has a hidden clause in it.