Either you are being intentionally dense or are just not reading carefully enough what my point is. Yes there will always be someone who is going to suffer. That is not the point. My point is if the system consistently and predominantly makes the underprivileged suffer its a bad system. This isn't even controversial dude, there are wikipedia articles about some of these systems.
There is always someone who is going to suffer when new infrastructure is built in an urban area. It's 100% unavoidable.
If you say "I'll make sure that never happens", then you just won't build new infrastructure.