I don't know that I'd call it a "strange obsession," but it's a popular topic, right up there with intermittent fasting. Here are some active posts just from the last two or three months:
https://news.ycombinator.com/item?id=25289921
https://news.ycombinator.com/item?id=25261441
https://news.ycombinator.com/item?id=25113595
https://news.ycombinator.com/item?id=25077519
https://news.ycombinator.com/item?id=24912172
https://news.ycombinator.com/item?id=24768721