True, but if Opera was better enough, it'd surpass them. The fact is, it's a web browser, and Google can put enough engineers on it to build a better JS engine

True, but if Opera was better enough, it'd surpass them. The fact is, it's a web browser, and Google can put enough engineers on it to build a better JS engine just because they feel like it. There's not really any room for a killer idea, or at least I can't see any.