I think you are expecting too much from 5 year olds if you think they can go hunting by seeing their parents given their motor skills.

On the other hand, depending on what you are doing on the computer. They can learn it by watching you unless you are doing something very complex which most people using their pcs or devices don't. It's not hard for them to learn to comment on HN.

And two anecdotes isn't plenty of evidence.

I can provide more contrary to yours.