I don't doubt the value of experience one little bit. And no where have I said experience is not important. Also at no point have I undervalued your experience ( I even praised you tonque in cheek, by suggesting you write a book about the good old days). It's Definetley not youthful arrogance either, all I'm saying is we're talking about an industry where technology continuously evolves, where the paradym shifts in technology can be so drastic certain types of experiences are negated.
You seem to be missing the point. Technology is irrelevant to what I've been talking about. Technology is simply toolsets. The skill and artistry are in the person, not the tools. Learning tools is easy. Becoming truly accomplished at any craft is not.
For example how important is an experienced telecine operator today?
Very, because the skill was never the ability to thread a telecine, clean film, or set up shading boards on a Rank Cintel machine. Most of the top colorists in the industry were what you're calling telecine operators. The skills they honed are just as important or valuable now as they were then. This is true of the top DI colorists as well as those working in television.