That's laudable, because you're filtering out the idiots. Nobody in their right mind would say that to you. People would say stuff like "I have two offers currently, one from Facebook and another from Acme. They are both very generous but in terms of preference, I would love to work here if the company is able to match them." That's it. And that's fine. That's what most people are doing during their job search (get multiple offers). Nobody goes on to say that they intentionally interviewed at some company they'll never work for in order to get a higher offer to be used as leverage. Why would anyone self-sabotage themselves like that?