On this question: What causes pollution when cooking?
Could whoever removed it elaborate on the reason why? Perhaps then I can post better comments in the future.
I didn't remove it, but I can look at the comment and the history - it was flagged, and the flag was validated by another mod. I don't think either of them needs to personally explain, since there's nothing mysterious here.
The removed comment was hostile toward another user, with a clear frustrated and/or angry tone. There's really not much more to say than that; I'm not going to bother dissecting it. That kind of behavior isn't welcome here.
If you'd like to write better comments in the future, I'd suggest: