Actually, if you read the Lenovo post, TVs are precisely why the 16:9 ratio is being pushed by screen manufacturers: there's more TVs made (at 16:9), therefore,

Actually, if you read the Lenovo post, TVs are precisely why the 16:9 ratio is being pushed by screen manufacturers: there's more TVs made (at 16:9), therefore, if they maintain the same aspect ratio for all screens they manufacture, there's less waste in the glass cutting process, which means 16:9 screens will be cheaper than custom-ratio screens like 16:10..