Ok. The handicapped, elderly, asthmatics, arthritic, etc., all can't work.
If the snow plows aren't running then a ten mile walk (bicycles are not good in 2 ft of snow) in Minnesota takes 5 or so hours each way. Texas heat and humidity?
Some people live where they live because they can afford it. A house within walking distance from downtown Houston is beyond most people's grasp. Your's too I expect.
How many sheets of plywood can one carry on a bicycle?
Your solution is no solution. In fact it is stupid.
Or in many cases, people work in neighborhoods that aren't safe and/or friendly to family.