The only thing in that list that reduces the quality of living is removing green space requirements. Having a multi-family building in your neighborhood doesn't affect your single-family home.
Reducing parking requirements _may_ reduce quality of living, if public transportation isn't an option.
Japan solves the parking problem by requiring you to have an off-street parking space to own a car. Removing street parking increases the amount of land available for use, makes the city more walkable (and bikeable) and reduces car ownership.
Reducing parking requirements _may_ reduce quality of living, if public transportation isn't an option.
Japan solves the parking problem by requiring you to have an off-street parking space to own a car. Removing street parking increases the amount of land available for use, makes the city more walkable (and bikeable) and reduces car ownership.