Because we have film footage of the crime, of jets spraying at altitude.This is the logical end of any argument or dispute on this issue.
Climate engineering is not speculation, it is not theory, it is a verified fact confirmed by film footage. Those that deny what they can see with their own eyes are simply not ready to wake up.
A film of the crime occurring (in this case atmospheric spraying of aerosols from jet aircraft) cannot be rationally disputed.
This being said, there is also an enormous amount of additional proof to fully confirm the reality of global geoengineering (lab tests of atmospheric fall out, climate engineering patents, global governance documents, congressional documents, etc), and more proof is added to the existing mountain of data every day.
It’s up to all of us to confidently stand our ground when attempting to wake others up to the climate engineering crimes.