Saying things are not possible - when clearly they are, means we do need to investigate, we do need disclosure, we do need to understand the threat.
The very reason the Chinese flew spy balloons over American airspace is because everyone was scared of looking up because of the stigmatism, now foreign adversaries have taken advantage of that fear.
If there is something going on it needs to be monitored and understood.
80 years ago the military started investigating this, they clearly believe there is something going on. It needs proper funding, proper oversight and proper reporting and more than anything full access to all information.