You can certainly argue that, but that's not what Open Source or Free Software has ever been. It's about your freedoms as a user, you are always free to fork with a different model. I think the expectation of "open contributions" is quite damaging, to the point where peple/organizations are hesitant to release their software as open source at all.
2/4 had massive growth in the 50s/60s/70s (KL and Singapore). I'll give you Montevideo and San Juan, but let's not pretend it's just timing that made Houston the way it is. It's a matter of choices that were made, to prioritize car infrastructure over all else.