Selling stolen goods is a crime as is buying. That would seem a part of their investigation. Just because you commit a crime and write about doesn't mean you're immune from the law.
Your wonder invention isn't going to sell several million units with many global competitors benefiting from its theft.
As the dollar value and hype of the crime increases, so does the interest in law enforcement. Pretty simple stuff.
The law does not exist to protect a company's revenue streams, sorry.