Earlier quoted context omitted.
They work for the majority of people of all ages who live in cities where the infrastructure has been properly built to accommodate bikes. Most people rarely need to haul anything and can use carshare when they do. I've demoed a multistory house down to the bricks and re-built it from the outside in without a car. Hired someone to haul off a dumpster several times. For major materials deliveries, like beams or window…
I have been driving my children to daycare for past 3 years. I will be driving my children to daycare for at least 3 more years. Bicycle is not a viable replacement for this use case, sorry. My situation is far from unique, raising children is quite universal human experience.
That said, I live in a very bike friendly city now, close to their school, can afford a cargo bike, etc.