XKCD: Sustainable
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xkcd.com
Is all the transport that allowed the product to be created sustainable? What about every single part of the transport? What about all of the drivers of the transport? Do they lead sustainable lives too?
If the input going into the product is not sustainable, than the product is not sustainable.
Besides the ad absurdum of drivers' private lives, what did you think sustainable referred to? Just the one item in the box?