Some veterans in the audience felt that Harry was using the Warrior Games as a platform to promote his own personal agenda. They also felt that he was not being respectful of the event, which is meant to honor the sacrifices of veterans.
Harry's spokesperson said that the prince was "disappointed" by the boos, but that he understood that some veterans may have felt that he was not being respectful. The spokesperson said that Harry's intention was to "highlight the importance of mental health care for veterans."
The Warrior Games are an international sporting event for wounded, injured, and ill service members and veterans. The games are designed to promote recovery, rehabilitation, and reintegration.
It is important to note that not all veterans who attended the closing ceremony booed Harry. Many veterans in the audience applauded his speech and thanked him for his support.
Brandreth has indeed criticized Harry and Meghan for their recent actions, but he has not called them "cruel liars." He has said that he is disappointed in their decision to step back from royal duties and that he believes they have caused a great deal of pain to the Queen.
It is important to be critical of the information you consume, especially when it comes to news about the royal family. There is a lot of misinformation out there, and it is easy to be misled. If you see a headline that seems too good to be true, it probably is.