I disagree that the criticism is "undue"... a post that waves off spam as if it's a non-issue ("2-3 each month"), when in fact many people do struggle with it,

I disagree that the criticism is "undue"... a post that waves off spam as if it's a non-issue ("2-3 each month"), when in fact many people do struggle with it, helps nobody. A post actually explaining how you built or configured an effective spam filter, however, benefits the HN community.