I say let them worry about the cost/benefit ratio. If they can afford it, another engine with completely separate codebase is a good thing for the market. Just

I say let them worry about the cost/benefit ratio. If they can afford it, another engine with completely separate codebase is a good thing for the market. Just think how hard it would push webkit/mozilla/chrome if they did manage to beat them on speed. It would push them to get even better. Compeition is always good as long as 2 or more projects stay alive.