They are without a President, have suffered two separate scandals---one in their medical school, the other w/ an ob-gyn molesting women for years. The Board of Trustees has looked feckless in its oversight. Their image in LA has been tarnished.
Beyond that, Swann is seen as a weak leader-and is probably transitional
And Helton would have cost $15 million to buy out (because of an extension Swann gave him last season).