Why not? You have thousands of pilots, not each and every one is an expert in interpreting the data they see. For example the "gimbal" video is probably out the

Why not? You have thousands of pilots, not each and every one is an expert in interpreting the data they see. For example the "gimbal" video is probably out there because they wanted to teach pilots how this effect looks in real life. Also it's possible some of the videos are showing unknown military aircraft or systems that the pilots are not aware of.