To me, it seems like Bitcoin Cash (BCH) is just a cash grab (no pun intended) by a minority of misguided Bitcoin enthusiasts. From what I can tell, the main reason for the resistance to Segwit is that it reduces the power and influence of miners. That's why the people who are pushing BCH are also invested in mining. Miners earn money from transaction fees, and therefore have an incentive to artificially inflate the fees by delaying transactions (transactions are processed in order of highest to lowest fees).
There's a great blog post which summarizes the situation here: https://www.linkedin.com/pulse/why-heck-bitcoin-might-split-...