One big con you missed is "where do you keep it?" Cargo bikes big enough for (say) one adult plus two large children basically take up the space of a small car.

One big con you missed is "where do you keep it?" Cargo bikes big enough for (say) one adult plus two large children basically take up the space of a small car. I have room for bikes (and cycle to work myself) and a car in London (and I need my car for journeys outside London) but no way I would have room for a cargo bike as well.