Bitcoin cash is basically bitcoin. anything it can do, bitcoin can do as well with a fairly simple change to the code.
It is simple a matter of consensus. If BCH really has stumbled across something then BTC would change to match it. But in reality it hasnt. Both are antiquated tech that cannot math the Transactions per sec of other coins such as Ripple and GBYTE. They are the future for currencies that you use to actually PAY for things with.