> Ok, so are you seriously suggesting if we did a random sampling of 60+ aged people in Europe and the US (who use computers) we would find Linux being used by the majority of them?

No, because that's not even close to what you brought up.

> I would be surprised if 5% of computer-using 60+ year olds use Linux.

How many of those were even given the choice? I'd suspect 0%. That's the issue. The immense monoculture in multitude of places reinforces that monoculture.