I finally tripped & fell into the bot-produced churn content on YouTube. (I'm looking at reviews of an obscure cash register.) Reviewbot: "The built-in South Dakota card slot allows a PC link software to synchronize your store." They really don't care as long as their TTS conversion sounds like words.

South Dakota card slot.

Thank goodness I use Noscript & block DoubleClick, so the ads don't run or load.