This is going to be a problem weather or not Chrome changes www.example.org to example.org. There is a _very_ non-trivial chance the person was going to write down example.org anyways.
Perhaps they should be taught.
Otherwise let's move on to making nuclear reactors less confusing.
Developers and techies are users too and they're much less likely to call tech support in general.
This harms them far more than it helps the people who need help.