The information (e.g. your comment) should not be flagged. The snark (e.g. the parent) could reasonably be. "But it's true" can not stand alone as the sole me

The information (e.g. your comment) should not be flagged. The snark (e.g. the parent) could reasonably be. "But it's true" can not stand alone as the sole measure of whether a comment is of high quality, worthwhile, curious, non-noisy, etc.