I wouldn't be so sure. I got hit with RSI this August. I became proficient with Dvorak by October. I looked into Colemak and Workman and might have switched to Norman if there were more info to convince me.
Maybe easier than ever with most keyboards being virtual now...
Most? Mine is plastic.
If you're talking about cell phones and tablets sure—but you certainly don't type with both your hands like on your laptop...