Pedestrian and conservative are not the same thing. Most of what Rolex sells are sport watches: diving, yachting, piloting, etc. The only real exception is their Cellini line. Unlike VC, or some of OP's more esoteric offerings, Rolex rarely offers any complications beyond timing. My point is not that Rolex isn't a good watchmaker, it's that Rolex is probably the most commonplace and affordable luxury watch brand, excepting perhaps Omega, and that's their bread and butter. Ask the average person on the street if they know Vacheron Constantin, Officine Panerai, IWC, or Ulysse Nardin and you'll get a blank stare. Mention Rolex and it's instant recognition, and more than likely you'll get flashed a few fakes for the bargain.
However, you're right that no maker of luxury watches is going to make a smart watch. The whole notion of a non-mechanical watch, no matter how profitable or well-made, is something at which they'll always turn up their collective noses, and I don't blame them.