Because there has to be a place where the bus stop could sensibly be. A history of car-centric design often eliminates those opportunities.
I see. I think you're talking about stop placement on a higher level? Removing street parking can free up room for lots of extra stops, which can help with bus bunching: https://en.wikipedia.org/wiki/Bus_bunching
I see. I think you're talking about stop placement on a higher level? Removing street parking can free up room for lots of extra stops, which can help with bus bunching: https://en.wikipedia.org/wiki/Bus_bunching