The fact that this has just disappeared from the front page for me, just like the previous post (https://news.ycombinator.com/item?id=41651548), somehow leaves a bitter taste in my mouth.
https://hnrankings.info/41651548/
It somehow got enough attention to get to 300+ votes while being entirely suppressed from the front page.
This one looks like it triggered a flag before being fixed:
Looks like it was flagged, before being brought back by an admin. This happens quite often.