Seems a better solution would be to give the user a say. If autocomplete is off, and the user wants to autocomplete the form, the user should be able to right-

Seems a better solution would be to give the user a say. If autocomplete is off, and the user wants to autocomplete the form, the user should be able to right-click in the form and select "Autocomplete this form," ideally as a one-time operation or for this form from now on.