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.
Jewish person here. I don’t care, and neither would anyone from my congregation. It turns out that minorities are capable of understanding cultural and contextual differences regarding the use of language.