Certainly the ones who oppose it are wealthy elitists.
On the other hand, everything I have ever heard about this idea of "filling in" seems like homeowners who want to rent out their alley without having to conform new-built residences to code so they can maximize $$$$$.
Do other cities have this "movement"?
Living in a big house with several long term friends. I hope your dream comes true.
If you are in Ontario maybe you can get on co op housing lists for large units. In 20 years your names might come up.