Teaching sciences misconceptions like that can be got rid of by experiments and demos. Trying to disprove a random claim on the internet is harder. Combine it with demands to be spoon fed and voila
It’s about teaching information literacy and critical thinking. Which is really hard against family ties.
I mean I was stood there once with blow out pics of phone assemblies showing there’s no cameras there, explaining I am literally employed to explain how technology works and I’m telling them that what they say is impossible. Looked at the sources and how we couldn’t find reliable ones. Why people share nonsense. Still at the end half of them were unmoved on their belief. Because someone they like and respect posted it.
Fact is it’s harder and harder to determine fact from fiction without a significant amount of base knowledge most people don’t possess. Like explaining to a flat earther how it’s impossible without them understanding basic maths. We’ve never successfully taught this stuff en masse and just dumped information overload on humanity without warning.
Combine that shit with global warming and I have real trouble seeing a way forward as a species.