While I agree with you it's my understanding that this was an ad-supported Kindle. Amazon offers them with a discount, which means the buyer explicitely accepte

While I agree with you it's my understanding that this was an ad-supported Kindle. Amazon offers them with a discount, which means the buyer explicitely accepted ads for a slightly lower purchase price. I'm not saying it's ok to ignore flight mode options, but neither is the expectation to completely avoid ads when buying this very version of the Kindle.