It's not bricked retroactively from what I've read.
https://github.com/raspberrypi/rpi-eeprom/issues/761
If someone gets updated in the wild (like this person did without realizing they had a counterfeit board), they'll fail to boot.
alt Hacker News
https://github.com/raspberrypi/rpi-eeprom/issues/761
If someone gets updated in the wild (like this person did without realizing they had a counterfeit board), they'll fail to boot.