In the source they cite (https://gcemetery.co/ https://gcemetery.co/), do they consider only products that have died? Or do they track all products that have st

In the source they cite (https://gcemetery.co/ https://gcemetery.co/), do they consider only products that have died? Or do they track all products that have started? (hopefully they have right censoring, otherwise it seems they're underestimating the average lifespan). I'm having a hard time finding the data in tabular format.