Ten companies proved to be a "big hassle" and another seven proved to be "some hassle." There's no excuse for this sort of behavior. "No means no," is something we all learned in high school.
If you're a marketer or media organization that is on this list or engages in practices similar to those who made this list, one word for you: STOP.
And to employees, PR directors and whoever else may be listening, this explains why people take delight in seeing your companies fail.