The better dupe (linked in TFA) - from March:

> Cross-Platform P2P Wi-Fi: How the EU Killed AWDL

https://www.ditto.com/blog/cross-platform-p2p-wi-fi-how-the-...

https://news.ycombinator.com/item?id=43505022

[dupe] of your own comment: https://news.ycombinator.com/item?id=46062963