Same here. I consider it a form of "success" that those perpetuating penny scams resort to desperate internet "tough guy" silliness.
The pm threats can be tiresome but if anything they make me dig in further and stand my ground. A fatal mistake made by those harassing and threatening me.
"It is easier to fool someone, than to convince them they have been fooled."
For those that don't get it, it means that people need to be more careful, and do good due diligence.