There is a information in the corners that Bitcoin cash will goto a new height a touch near $4000very soon and may even the king. A lot of people are shifting from Bitcoin to Bitcoin cash.
Bitcoin cash was just crashing like any other coin, so I do not see where you get that many people are shifting from bitcoin to bitcoin cash, if anything the opposite will be true in some months when we get the lightning network and the only advantage that bitcoin cash has over bitcoin is eliminated forever, thanks to the cheap and fast transactions the lightning network will bring.