-5C isn't particularly cold. Would you have been out in -20C with gusty winds and drifting snow?
How do I get those appropriate clothes to the office, and where do I store them? Can't be all wrinkled -- and these days you may not even have an assigned desk.
And I can be good humored, but will my boss be?
Really, though, if we consider bikes safe enough for transportation, why can't we have ultralight enclosed EVs?