> Make sure you’re still thinking.
Please avoid patronizing barbs in comments on HN. I can believe you didn't intend to be mean, but it's easy for these things to be misinterpreted on a text-only message board. https://news.ycombinator.com/newsguidelines.html
You are right of course, for posterity I didn’t intend this as a ‘patronising barb’. It’s more intended as general advice, which readers can agree or disagree with.