How would the mainstream view it?
How would software support improve?
How would gaming look like?
Which country will become the first Linux majority? India? Seychelles?
How many local governments would start adopting it?
What year do you think it will happen in?
Simplified and with a lot of user power and user freedom abdicated to a few companies, or to a few groups of developers working together, in order to make things much simpler and much more optimised for the average user.
I mean, suffice to see how often people can be completely lost when they’re asked to decide between clicking either the OK or the Cancel button, or use a simple drop down menu, or decide if they should even be bothered with their privacy at all when using any app as long as it is free and shiny… As it is, Linux stands no-chance against that with its many quirks, workarounds, with its sudo pacman -s or sudo apt install, and with its focus on freedom and privacy. No matter how excellent those tools can be, and no matter how important freedom and privacy should be.