Because bcash is overwhelmingly run by bitmain, a chinese company, at every point in its service delivery. The miners, the nodes, and now the payment processor

Because bcash is overwhelmingly run by bitmain, a chinese company, at every point in its service delivery. The miners, the nodes, and now the payment processor are all one chinese company. It is also not surprising that they have specifically disabled the privacy improvement of segwit in their altcoin. So no atomic cross-chain swaps are possible either. It is a walled garden where they control all of the access.