I mean getting wet/hot is a pretty big disadvantage of e-bikes compared to cars in many situations. But anyway this is a crazy niche product. Don't worry it's not going to have any effect on e-bikes whatsoever.
I use an ebike as primary transportation 365 days a year in Vermont, and you'd be surprised how infrequently you have a day that is actually miserable to be out on a bike, even in a place with very cold winters and a lot of rain. By dressing properly (gloves/scarf when it's cold, rain jacket if the weather is not cooperating), you can eliminate 95% of the annoyances. Something I've learned as a year round cyclist is that most of the rain you experience from inside a car is actually not that heavy when you're out in it. There are maybe 10 days a year where I just have to suck it up (below 0F, heavy rain), and then I usually just skip a trip, take the bus if I can, or deal with it. I get stuck biking in real rain maybe 3x a year, and tbh I think it's probably good for people to encounter occasional friction like that.
And so taking on all of the disadvantages of depreciation, insurance, traffic, inspections, parking, gas prices, parking bans, worrying if that car alarm in the middle of the night is mine, is actually a much worse deal to me than putting up with a few uncomfortable trips per year.
Cycling in snow is when it gets really sketchy. I have done it (along with many other students in Cambridge) but you have to be very slow and careful and quite a few fell off.
So as I said... in many situations.
Relatively cheap, can be charged with a regular 230V socket, tops out at 45kmph. Not as compact as a bike for obvious reasons, but still a substantially smaller footprint than any modern car - and comes with proper weather protection.