"It implies they know their content is invalid"
That comment itself is misleading.
"Truth" is a misnomer as anyone's "truth" differs by perception.
Some people get their news from only the New York Times.
Some read Rense.com. Some listen to Rush Limbaugh or Art Bell.
Don't tell ME what "truth" is.
Now, if you care to debate the contrail issue, then let's get to the bottom of why contrails in this day and age remain in the atmosphere and spread out forming a filmy cloud overhead, instead of dissapating in the usual 10-15 seconds such as in years past.
Why IS that?
Is the jet fuel different?
Has the atmosphere been altered with certain particulates from aerosol spraying (perhaps for radar, communications or weather experiments?)
Enquiring minds want to KNOW.
Give it what you got.