JdeBPDigging into the talk page of the article on the FAT filesystem and Linux, one finds that, back in 2009, #Wikipedia people thought the same thing. (-:
https://en.wikipedia.org/wiki/Wikipedia:Articles_for_deletion/UMSDOS
It was past tense even then. Linux 2.6 had come out some 6 years beforehand.
Amusingly, the Linux Documentation Project has a UMSDOS how-to written in the present tense that has not been updated since 2001.
onion