The word “Master Race” is clearly equivalent to terms which were used by Nazis and so are today’s far right wing and alt-rights.
There are other communities which created similar narratives, especially from the 4chan side, and I think the origin of “PC Master Race” comes from there.
You realize that Linuxmasterrace is the parody of penguins feeling superior to other right and you fell for it by blowing it out of proportions?
I’m not familiar with the history of the sub, could you elaborate a bit more please?
thats imho all there is to it.