Ian, I heard it myself from a very, very good source who I won't publicly out on here for obvious reasons, but it does seem like it was probably true.
But, and this is the crucial thing - it doesn't matter anymore.
We've got a new manager, everyone seems pretty happy with him and how he's approaching things, there's nothing to be gained from continually having the same arguments over and over. You believe Sheridan was there as much as he should have been, plenty don't - let's just move on, eh.