The wear warning is only really any use if you run your pads down to the bare minimum, you do interstellar mileage between services or you don't get the car serviced at all.
Brake pad material thickness checks are done at all services and there is a fair way between worn out and the light finally coming on.
Most are removed because the wire gets caught on the wheel, debris cuts through it, or it gives incorrect warnings. No lose. Cut away any long bit, tape the end up and tuck it away out of harms way.
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