I say yes and no. I think it's too late to judge. I'd have said an outright no if BNB had decided to remain on ethereum blockchain forever. however, now that that is moving to their native blockchain, it would be a tug of war. this is because binance would now have a lot of autonomy as to how to tweak their platform. eventually, they might even decide to do everything ethereum can do and more. However, when scalability issues are taken into account, ethereum's scalability might be slow but would be huge. ethereum might be underperforming now, but i have the belief that it is building momentum. ethereum has a lot of features which a lot of us don't even know about yet. there is no doubt that ethereum is not as fashionable as some other smart contract platforms out there, but ethereum blockchain still has a lot to offer in the future. hence, I believe it's too early to say for sure whether BNB will beat ethereum.