i dont think anyone is killing anyone.
anything can happen.
but cheaper, faster and most reliable always wins in long run.
Not true. If that would be the case then something like BNB would have been won already. Those metrics however mean very little. People think that something is cheap when transaction fees are cheap, but they don't often even count the smart contracts or how decentralized something is.
True decentralization isn't cheap, but it will be cheaper in the future. That's why people aren't backing TRON or BNB for example.