Let's just say that I'm willing to bet my money that you're wrong.
Particularly, you are assuming people prefer a nice, cozy display to a funny-looking, eyestrain-inducing,
alienating VR headset - but most engineers I know wouldn't be ready trade their screen for a VR headset: much less in 3 to 5 years (you can't teach an old dog new tricks
in three years).
I know a guy in his 50s - an executive, mind you, not some neckbeard - who rocks dual CRTs because he says LCDs look weird to him.
You can imagine how much the guy cares about "positioning your windows wherever you like in 3d space".
I for one would rather find a job in fish farming than being hooked to a headset all day long.
Predictions of this sort have been made continuously since the 80s, but our computers look more or less like the 1984 Macintosh.
Engineers use interfaces stuck in the
1970s. Ask any Unix dude.
Why? People are very picky about the interfaces they're willing to accept, and
very resistant to change.
I can totally see the technology being beneficial and catching on for field work (e.g.surgery), though.
See you in 5 years, we'll see if you predictions were right