1. Without buying the book that sounds like a meaningless buzzword.
2. Mozilla wouldn't exist today if the Netscape team didn't destroy their company by deciding to rewrite their browser engine, no.
Whether we'd be worse or better off is an open question - a living commercial netscape could have kept the browser wars and associated innovation alive longer. On the opensource side maybe the better-architectured KHTML would have gathered more mindshare and funding and evolved into something like today's WebKit faster without the distraction of gecko.
2. Mozilla wouldn't exist today if the Netscape team didn't destroy their company by deciding to rewrite their browser engine, no.
Whether we'd be worse or better off is an open question - a living commercial netscape could have kept the browser wars and associated innovation alive longer. On the opensource side maybe the better-architectured KHTML would have gathered more mindshare and funding and evolved into something like today's WebKit faster without the distraction of gecko.