Why are non-content data (or metadata such as incoming or outgoing phone numbers, call duration, and urls) are afforded less privacy protection than the actual content of communications?.

cyberstalking on the internet means to harass or stalk someone, a group, or an organization. this may include defamation, slander, and false accusations. in many jurisdictions, cyberstalking is a criminal offense. 

on the other hand, cyberbullying focuses more on intimidating, threatening or harassing someone. harmful bullying include posting threats, rumors, and sexual remarks.