because they can't comprehend making their own food
That or they can comprehend being threatened with imprisonment when city codes ban gardens.
or exercising without equipment
That depends on weather and on how strict the local police are about giving children priority on public playgrounds.
or getting around without a taxi.
What should they do instead? Ride the bus? Buses in my home town don't operate at night, on Sundays, or on major holidays. Under the "employment at will" principle widespread in the United States, employers can and do exercise their rights to fire employees for notifying them that they aren't available at those times. Many, such as Walmart, also have a "must be available on weekends" policy of refusing to hire applicants who mark down that they aren't available on Sunday.