Activated the mod, thought it conflicted with Supercharged Roboports. Disabled that, and... nothing happens.
Does it, as you "long" description says, only work when putting down a new roboport? Because the "short" text says "Automatically tells robots to deconstruct in the range". No mention of "only when placing new ports".
Ah, tried it, it's really only when placing a new roboport. Should make more prominent note of that.