It is an aggressive word and is usually used when you want the audience to perceive it as a negative action without straight up telling them. In definition, it is harassment, and thus produces an unfavorable effect for those on the receiving end, but the connotation is that the effect is more severe.
The 'Call to action" statement is where you engage your reader it should inspire, educate, and it should be able to win over the reader to your "Cause".
