Bitcoin Cash scales, and I have my private keys; I don’t need to trust anyone. However, the mining incentive and fees are near to negligible, making the network vulnerable to attacks.
No it doesn't, there no such thing as scaling on blockchain. The world, or even just small country, or even just a single city with a few million people needs a capacity for many millions of transactions per day. It's impossible to effectively process and store such amounts of data on a home computer, you need a specialized server equipment for that. So any solution that tells to just increase blocksize will inevitably turn into a network of one or a few large servers controlled by an entity that could be blocked or physically raided by law enforcement.