If Brad the electrician wants to benefit from artificial barriers to entry that keep his job out of reach of Jose that raises the cost floor of a building. Now

If Brad the electrician wants to benefit from artificial barriers to entry that keep his job out of reach of Jose that raises the cost floor of a building. Now apply the same effect for every trade. Now add in the cost of dealing with obstinate government. Suddenly there's no money left to spruce up the building beyond the bare minimum and still come out the other side with an end result within the scope of "what the market will bear".