Since termination letters are highly controversial,you should never deliver them in person.

This statement is not entirely accurate. While termination letters can be sensitive and emotional, delivering them in person can sometimes be the most respectful and professional way to handle the situation. However, it's important to approach the situation with sensitivity and empathy, and to be prepared to answer any questions or concerns that the employee may have. Ultimately, the best approach may depend on the specific circumstances of the termination.