Last paragraph of the article:
> In case the sarcasm isn’t clear, it’s better to leave the warts. But it is also worthwhile to recognise that in terms of effectiveness for driving system change, signage and warnings are on the bottom of the tier list. We should not be surprised when they don’t work.
Most HN visitors won’t read to the last paragraph, so it’s a good thing to emphasize.
Yeah, totally a woosh moment for me. Read all the way up to the `* * *`. That's on me :)