Some people choose to live in pet free apartment due to severe allergies, making it illegal for places to be pet free would fuck those people over.
Also imo, dogs in high rise apartments is just cruel to the dog. Having to go down an elevator just to piss or shit, that isnt fair to the dog.
http://cdn-android.apptap.com/img/870/mobi.colortrilogy.bitlink/267135850.png
https://i.chzbgr.com/completestore/12/10/5/uv4r7nGyrE6ylt2lHGWpiQ2.gif