I think they’re not being built in most US (and maybe Canadian?) cities because nimbys only want single-family detached houses to be built to preserve their home’s value

least that’s what I’ve gathered from watching youtube videos on urban planning and reading articles

They went to town.

Tax incentives and property values have made them less attractive for home builders. Meanwhile They’re a waste of space and energy and people who live in townhomes and apartments rate as much happier than people living in detached homes

More roi to build apartments