[squigz]

I guess it depends on what you mean by "quite far"

Regardless of what they choose to use for their leisure time, computers will still be important in school and likely at work in the future. Not to mention that many young people still use computers regularly for leisure (gaming, chatting, etc)

In any case, learning touch typing would still translate somewhat to typing on a phone - certainly things are different, but getting used to where the letters are still helps.