More possible than 4 people hallucinating, multiple ship radars failing at once, and multiple radar operators, deck crew, and Master at Arms being incompetent over several days. Roosevelt and Kidd incidents too. Just a comedy of errors.
My personal beliefs aside - it's unknown. What we do know is it's not static electricity. Seriously, this is the worst theory yet...
Alex Dietrich and Ryan Graves are on Twitter. You can ask them. Graves in particular knows all about the optics systems, so you can ask him about it and the static electricity theory spoofing multiple sensor systems and tricking countless pilots every day over the course of years.
