All you did was point out why there wasn't enough supply. We all know why big cities have a supply shortage and it is because regulations and existing property

All you did was point out why there wasn't enough supply. We all know why big cities have a supply shortage and it is because regulations and existing property owners make it either impossible or too onerous to build more homes. What you did was just state the obvious take away from my statement in a long winded manner, while apparently under the misunderstanding that there's someone left who hasn't heard this all before.