The legality of verbally abusing or insulting a phone scammer can vary depending on your jurisdiction and the specific laws in your country or state.
In most places, it is not a crime to express frustration or annoyance towards a scammer over the phone. However, it's essential to draw a clear line between expressing frustration and engaging in harassment, threats, or hate speech. Engaging in abusive or threatening behavior can potentially lead to legal consequences, as it may be considered harassment or verbal assault.
It's crucial to remember that even scammers have basic human rights, and it's always better to handle these situations calmly and assertively without resorting to abusive language or threats. If you encounter a phone scammer, the best course of action is to hang up and report the incident to the appropriate authorities or your phone service provider.
If you find yourself receiving frequent scam calls, consider registering your phone number on the national "Do Not Call" registry (if available in your country) and using call-blocking tools to reduce the number of unwanted calls.
To get accurate and specific legal advice regarding this matter, it's best to consult with a qualified attorney in your area who can provide guidance based on the laws applicable to your situation.