[vrighter]

Because how else can they make someone depend on them after the sell?

I see this also with QR codes. I see tons in for, example, restaurants which contain a link to some private company which automatically redirects to the restaurant's own page. They can get it for free if they just put their own url in the qr code directly (if they knew it was possible, of course. They're nontechnical). But then the other company keeps charging you money just to serve pointless 301s