1. I would disagree (and I do not know what makes you say what we're here for, by the way), without this critiques he (and I, not a native speaker either) would

1. I would disagree (and I do not know what makes you say what we're here for, by the way), without this critiques he (and I, not a native speaker either) would never know that his/her english is broken, which is sort of a big deal if you're communicating your ideas on HN or any other platform that use english as their primary language (without even having to mention the recent debate over 'foreign accents').