404 Media is out with another nothing burger, since teams fix and patch vulnerabilities all the time, which they would've known if they'd ever worked in cybersecurity.
The real news here is the insider threat Meta faces, as 404 Media has been able to read internal posts from Meta execs to its core infrastructure team.
Your 404 log is full of /favicon.ico because of a decision made in 1999.
Internet Explorer 5 looked for that file in the site root. No <link> tag required.
27 years later, browsers still try it if you haven't declared an icon. A bit of 1999 hanging around in server logs😆