I'm just trying to understand why all the talk around the split topic is just FUD, as is claimed by many on the forum. People claim its all FUD, but never bother explaining why.

The posts above seem to suggest that Bitcoin Cash has no chance against BTC in the long term, in the sense that BTC will continue to rise after the fork. How different is this case from what happened with ethereum, that is if BCC is the new ETH and BTC is the ETC equivalent?