Not sure I understand why this was even created in the first place. Wouldn't it suffice to simply spell out the content of the QR next to it, on hover or else?

Not sure I understand why this was even created in the first place. Wouldn't it suffice to simply spell out the content of the QR next to it, on hover or else? It's not like QR codes are born out of thin air; if you place a QR on your site then it's unlikely you don't know what data it represents.