They KNOW it will be proven false, and they simply don't care.
Many Twittsewer bluechecks, including Rachel "Mad Cow" Maddow and David Beard [National Geographic "jernalist"], have left their lying tweets about the Oklahoma horsepaste "hospital disaster" up, and the Twittsewer moderators have neither marked them as "disinformation" or nor suspended the politiliars for their #FakeNews...
I am not in the least bit surprised. Not even a smidgen.
GD Evil.