From my understanding, the guy I'm speaking of was told by his lawyers that they'd need to sue a hundred or more small business sites using the mechanism first, before attempting to sue a big company such as Amazon for this. Having a body of 100+ successful law suits make it more likely to succeed in a suit versus a large company. I'm sure eventually he will be doing exactly that. As said, he's only successfully sued 20 or so companies, so he's got a few years before he attempts to sue any of the large companies that use what he patented.
What a nasty piece of work. I hope he picks the wrong target and gets countersued back into the stone age.