Even more accurately: it’s bullshit.
“Lie” implies that the person knows the truth and is deliberately saying something that conflicts with it. However the sort of people who spread misinfo doesn’t really care about what’s true or false, they only care about what further reinforces their claims or not.
Federation woes?
Your comment has a different take though, and adding value to the discussion, it isn’t just the same as I said. Both are complementary.