Online harassment can quickly escalate beyond the point of being ignorable, even for the most resilient individuals. Swatting is the classic extreme case of that.
Even foregoing those extreme examples, there are plenty of other impossible-to-ignore ways for people to harass you (prank pizza orders, for example). Ignoring some people will cause them to escalate the extent to which they will try to get your attention.
Even foregoing those extreme examples, there are plenty of other impossible-to-ignore ways for people to harass you (prank pizza orders, for example). Ignoring some people will cause them to escalate the extent to which they will try to get your attention.