Glass is probably a bigger issue- take glass storefronts and glass bus stops. Niches are still important, but there are a hundred other problems of this level

Glass is probably a bigger issue- take glass storefronts and glass bus stops. Niches are still important, but there are a hundred other problems of this level that also need to be solved. This problem is not particularly more important than any other, but I don't mean it's unimportant.