There were forest fires raging across California, along with other parts of the country and the world, hence the forest fire imagery.

This particular fire was being used to dry three t-shirts on a clothes line.

From the left, a rare white 2600 shirt (based on our very first one back in the 1980s), a shirt with the Greek letter delta on it (at the time, the Delta variant was the latest in the deadly COVID-19 global pandemic series - and also particularly contagious), and a shirt that said "Today is 0" (a reference to zero-day exploits which, as always, were highly popular and dangerous in the online world.

The Facebook "firefighters" are there to extinguish whatever the latest blaze is that started on their platform.