Seriously though, a cabin probably won't even add too much weight, make it out of corrugated plastic or something. We already have the technology.
#legalize_tuk-tuks
https://www.golfcartreport.com/top-golf-cart-cities-in-the-u...
Personally I wouldn't mind zipping around in this instead of doing manual labour in an awkward position just to move around.
Amusingly enough many of the laws are old enough that they are written with "cc" mentioned, below 60cc is a "moped" above is a "motorcycle". Those rules will have to be updated to account for various traction devices.
Cold weather is difficult, you need to protect yourself from the cold but you also need to deal with heat and sweat from biking, so your clothing requirements actually change depending on what point in the bike ride you're on.
Visibility is reduced due to high snowbanks, so you're likely coming to a complete stop more often than you otherwise would. That's a good argument for electrics and regenerative braking obviously.
Road salt and ice are a big problem, since bikes have components exposed. Components like chains, brake lines, the steering yolk, etc. Those are probably not made for the weather here and will more or less dissolve if you use most bikes during the winter. I'm sure there are some that are alright, but it's an additional research task.
I think it's solvable, and a personal vehicle that can solve that will probably do quite well if they can hit the right price-point, but I think that vehicle ends up looking more like a golf cart or a kei-car than a bike.
Are kids supposed to self-transport as well