Whoever says something like "technology X will never catch up to technology Y" has no understanding of disruptive technologies and how they can affect incumbent

Whoever says something like "technology X will never catch up to technology Y" has no understanding of disruptive technologies and how they can affect incumbent ones in the long term. Does it matter if ARM chips never catch up to Intel's most high-end chips? Of course not. But that's irrelevant. All ARM chips need is to get enough performance to become mainstream, and to be used by mainstream OS's (not necessarily Windows), and then chase Intel into a (higher-end) corner for the professional/specialized market that needs much higher performance. It's the same with the web. All it needs is to get "good enough" for most apps. It doesn't have to beat native apps at everything.