My point (which I'll repeat once and then I'm done) is not that established companies never get disrupted or innovate forever, but to push back against the idea that established companies can't innovate (and that The Innovator's Dilemma contends that disruption is the only way innovation happens), which I took from "Innovation doesn't come from established corporations." (https://news.ycombinator.com/item?id=16665304) I don't see anything you've added that contradicts that.