I wish I knew what it was. If those kinds of posts are #4 like you say, then there's no indication on them of who shared it or why I'm seeing it. Half of the posts on my feed are either AI garbage, unfunny memes, or local news from pages I don't follow. [Here's an example](https://i.imgur.com/ZDB0QVv.png).
How could the roof be interfering with the Wifi signal? Did they put the access points on top of the building? Why does going outside, presumably getting further away from the access points, solve the issue?
https://aesort.com/Turing-Drawings/#4,2,1,1,1,2,1,3,3,1,0,0,...