That may be their contention, but this is exactly why this is fundamentally different to the copyleft case. The GPL requires none of this. I would add that it

That may be their contention, but this is exactly why this is fundamentally different to the copyleft case. The GPL requires none of this. I would add that it seems pretty specious to argue that I bought a license when the license was not presented to me at the time I paid for the product and left the store, but I accept that this could be their contention.