“Bad information drives out good. No matter how long ago a correction for a particular error may have appeared in print or online, it never seems to catch up with the ever-widening distribution of the error.”
A perfect summary of what our mainstream media have done for decades: make a lie, and then move on. Even though someone may point out that it is a not true, how many people would actually know the truth? With thousands of millions of lies day after night, the public will accept the lie easily.