Shane Gillis' uncle is described as someone who is loved by people and brings a lot of comic energy. They mentioned that it's always great to have him around people who love him, indicating that he has a positive and entertaining personality.

Shane Gillis' uncle's thoughts or comments about Vietnam were not directly mentioned in the provided transcript. However, Joe Rogan mentioned that the Vietnamese do not hate Americans and that the war was seen as a Battle of Hill 102, also known as the Battle of Que Son Valley, where many Americans were killed and surrounded by the Vietnamese. Additionally, Joe Rogan mentioned that his other uncle who was in Vietnam never talks about it.

According to the provided context, there is no specific information about Eric Weinstein's belief in UFOs and aliens. Therefore, it is unclear if Eric Weinstein believes in UFOs and aliens.

Yes, in the transcript titled "Eric Weinstein 'We May Be Faking a UFO Situation...' - Skepticism Over Current State of UFO's," Eric Weinstein discusses his belief that we may be faking a UFO situation for reasons he doesn't understand. He mentions that it is hard to imagine physicists continuing to work on nothing for their entire careers and that there may be wasted lives if this is the case. However, he doesn't provide any further information about why he believes this or any evidence to support his claim.

Bob Lazar is a propulsion's expert and the central figure in the Bob Lazar story. He claims to have been hired to work in Nevada, specifically at a facility called S4, where they were back-engineering an alien craft. According to Lazar, the craft was designed for tiny beings, had impossibly smooth construction, and was made of a mysterious metal that was not understood by those working on it. He also claims that the craft had a reactor that generated an anti-gravity wave, allowing it to move. Lazar's story includes elements such as an element that is not on the periodic table and his alleged education and degrees. Despite skepticism from some, Joe Rogan, who is hosting the interview, acknowledges Lazar as a brilliant guy and finds it difficult to believe that he would have made up such a consistent story over the years. The interview and Joe Rogan's perspective shed light on the controversial and intriguing figure that is Bob Lazar.