Even at the start of it I doubt it will be a successful one. I mean just like what bitcoin is now.
They came and make people be confused of what is happening and some did bite that fake too good to be true news about bitcoin cash.
Just the name says it all. There could not be two bitcoins. There will always be one and if ever another came I will still not believe it could conquer the crypto world.
I think that btc and bch can coexist with each other at least for a while. If you can think of cryptos as a currency and not an investment, then bch will be a more favourable option due to larger block sizes and easier mining. This can attract many people over to bch, while BTC is more favoured as an investment type crypto.