Generally in Frostpunk you should be building districts to house all those similar buildings away from the housing to maximize Steam hubs effectiveness. Which minimizes the trouble of confusing them.

The real "took much work for no gain" in that game is the highly elaborate day to day life system your people go through, despite you having minimal ability to actually control it. All you can do is build (and destroy) roads in a certain way to force their travel paths and that's about it.