“Threat of harm” tactics AKA “if you don’t respond to this recruiting email I will microwave this cute kitten” are pretty much guaranteed to make me call up your boss at your recruiting company and tell him, at length, and loudly, what a complete asshole you are.
And this is why a certain recruiting company in TX that doesn’t understand “never contact me again” requests are on my permanent shit list of companies to never do business with. They really do employ the scrapings of the barrel.