I don't see how that is irrelevant. Money and power attract people, some more than others.But, then, a question arises "why would these people lie?" Answer is irrelevant.
There are people who will kiss you on the lips while cutting you in the gut.But what we do see from here is that there are people in the world that will make things up and claim it to be truth.
That is not necessarily true, but leaders are often mutually exclusive and will pit their followers against another group. You can have two nearly identical religious groups that for no transparent reason are bitterly opposed.Because ALL religions are mutually exclusive.