It could have been that parent graciously took my suggestion and replaced "old guy" with "technophobe" in his/her comment, while mine stayed, implicitly making

It could have been that parent graciously took my suggestion and replaced "old guy" with "technophobe" in his/her comment, while mine stayed, implicitly making my comment a rather incorrect interpretation and triggering down votes from others. Downvotes are a small price to pay for clarity :-)