If you go the government involvement route you ossify industries and actually can make it harder for folks to compete.
Funeral home chains were famous for pushing for lots of crazy regs that only a system with big economies of scale could meet to push out smaller independents.
In some cities like SF zoning hoops mean that only folks with HUGE pockets / attorneys and long time horizons can get through the planning / permitting and building process - all other restaurants etc basically need to rent (which means if they make the neighborhood nice they don't benefit).
What I want to know - is there a trusted online seller available now that a reasonable amazon alternative?