Would rewriting an RW disc with the exact same data cause degradation?

There is no reason to do that, but if I rewrote the exact same data/image to the same disc 1000 times, would it degrade?

Does burning even always start at the same physical position of the disc?

@Vogelschreck: Did you write the exact same data repeatedly or different data on your RW degradation test?

Sure it will degrade, the dye is heated up by the laser every time.
How much, I never tested.

I always wrote different things.

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