That's not zoning. It's bureaucracy and corruption. Basically politicians are bribed to give authorisations to specific companies. On the other hand, in Germany

That's not zoning. It's bureaucracy and corruption. Basically politicians are bribed to give authorisations to specific companies. On the other hand, in Germany for example they just give fewer authorisations to protect the revenues from their investments in pension system. The other reason is just lost knowledge and huge effort needed to design new areas. New housing needs proper infra like schools, public transport and ao on, all of which should be planned, takes time and costs money. Some cities learned to deal with it, others didn't