BSC is an Ethereum clone and all they did to reduce fees was increase the gas limit. That means that more transactions can be processed for lower fees but it requires more powerful hardware and thus more centralization. Ethereum could do this in 10 minutes if they thought that was beneficial to the network but they haven’t because doing so would break a lot of the decentralization and security of the network.
Ethereum has the most developers and researchers working on it than any other blockchain project by a very long way which means it is literally the bleeding edge of crypto tech. The Eth killers have a long way to go to knock it off as king of DeFi.
That’s not to say that ADA and DOT aren’t very promising projects but putting BSC/BNB in with them is almost laughable. It’s just a clone! It will always be behind.
Check out Ben Cowen’s recent [fundamentals video](https://www.youtube.com/watch?v=NguprqQyUDo) to understand a bit more.