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.
Sure, but just because the fight seems hopeless, you shouldn’t also support the other side. Guns are also legal in the USA and cause a lot of suffering, but civil society there is not giving up in order to finally get the problem under control.