yes the contrails have thats for sure...

always remember those... yet they were if the type that dissipated rather rapidly behind the aircraft.

and there were not tens or hundreds of them criss-crossing and ESPECIALLY spreading out to turn a blue sky gray - for HALF OR MORE of the fucking clear days of summer in some areas.

maybe you are just part of the mass of people who dont look up at the sky or when you do it just doesnt register enough to poke through your conditioning.

thats the most likely scenario here.

ever try acid?