No, I've not needed it any other time as I've never had any other incidences of a tire's being punctured. For me, it's worth having, at least when I'm on long (4K mile+) trips that can be hundreds of miles from a Tesla (or other) service center. The wheel+tire unit in its carrying bag weighs about 38 pounds. The required adapter (I've a '19 MS Long Range) weighs about 4.5 pounds. Together, they're less than 1% of the car's curb weight (the jack and tools will add a few more pounds), so I don't really think all that "extra" weight is having much of a deleterious effect on range or acceleration. For folks who live in the metro areas of southern or northern California, a spare may be superfluous. But in large parts of the US and for me personally, it beats having to spend time and effort to get the car back onto the road by involving other parties. In the end, I suppose it's personal choice: I've been driving since 1966 and have changed more than a few flats, most on radial-ply tires (my first car with them was a '79 Datsun 280ZX). I prefer the option of being able to do so.