Maybe you should read again. Its not saying they don't work, but that you need to think about it in cold weather. The battery charges slower, and heating etc puts additional requirements on the battery supply but the article literally says it's not a particularly big deal you just need to factor that in and not aim to drive the stated maximum distance without a charge. Again exactly like a petrol car with AC...

Maybe you should because it literally just comes down to "you use the heating when it's cold so think about your maximum range and charging" which is no different to a petrol car during summer with AC

You mean like Norway, Iceland and Sweden. Which are cold basically everywhere during winter, and have the highest per capita ownership of electric cars already?

Not sure about Europe but a while back in the UK there was a huge scheme where the government would give you a lot of money towards a newer car to get some really polluting hunks off the roads. Could do something like that I suppose.