Yeah, since that is what this thread is about, I thought you would understand “main point” as “main piece of supporting evidence.” The entire rest of the video is about this traffic supporting his friend’s claim.
His main point was that there was a huge number of Air Force craft in the air for a Sunday, which is usually slow. There was a whole lot. I looked back at his Jan 3rd (last Sunday) video, and sure enough, there were very few.
The full video is youtube. Around 47 min mark. https://youtu.be/j1nfhDqZkk0