The usbLAN app by jolouis should have given Maemo a chance to grow out of the toyshop and find a market replacing some of the laptops and notebooks that travellers haul in their hand baggage.
Connection to hotel-room data ports is a requirement for that market.
So is a full-size keyboard (which can go in checked baggage)
and many business users avoid bluetooth for security reasons.
USB sticks are absolutely standard tools these days.