Which term as it relates to the Internet means to acting in an unthinking, unsafe, or disrespectful manner online

The term you are referring to is "digital citizenship." Specifically, the behavior you are describing is often referred to as "digital rudeness" or "digital disrespect." Digital citizenship emphasizes responsible and respectful use of technology, including online communication and interaction with others.

The term that relates to acting in an unthinking, unsafe, or disrespectful manner online is "cyberbullying."

The term that relates to acting in an unthinking, unsafe, or disrespectful manner online is "cyberbullying." Cyberbullying refers to the use of technology, particularly the internet, to harass, intimidate, or target individuals or groups. It can take various forms such as sending threatening messages, spreading rumors, posting embarrassing content, or creating fake profiles to impersonate someone. Cyberbullying is a serious issue that can have severe emotional and psychological consequences for the victims. If you encounter instances of cyberbullying, it's important to report them to the appropriate authorities or platforms and support those who are affected.