“The truth does not change according to our ability to stomach it.”
— Mary Flannery O'Connor in correspondence 1955
Which is a flare more lyrical than “it is true even though you don't want it so”. O'Connor wrote in seclusion from the family farm. She was not a public figure. This thought needs to be spoken in public. We have a portion of America that is delusional. We have others that are simply lying with relish, and the former are programmed in aggressive idiocy, “What's your source?”, “I don't like your facts”.
And to counter a different sort of idjit, the truth is an absolute defense against slander and libel. We are not in jolly olde England, where the titled can sue people for speaking unpleasant truths. Also, concerning liars being upset and miffed when called for lying, well if you stop lying, then people would not call you liars.