there's a million things you can do with ethereum that you can't with bitcoin. there's a million reasons why i wouldn't trust ethereum with any of my money long term.
they're different projects with different aims. it amazed me how few people can figure this out.
Recently ONT was launched on NEO blockchain that is meant to focus on storing the information of the world in blockchain and encrypting it with security so that they can be produced before anyone at anytime when necessary and one doesn’t have to worry about keeping records anymore. Each and every coin has its own utility that differs it from the market and becomes the reason of growth or downfall of a crypto.