This actually isn't even writing data to the disk, it's exploiting a bug in the Windows 11 storage subsystem to run up the drive's firmware's count of bytes written without performing any actual writes in order to disprove the myth that SSD firmware is programmed to self-destruct when the endurance rating is reached.
This is detailed in the thumbnail of the YouTube video embedded about halfway through the article.
This is detailed in the thumbnail of the YouTube video embedded about halfway through the article.