Yeah brown stage makeup does not equal blackface. Blackface is a white person playing the role of a human of another race, and perpetuating a racial stereotype. MISSA GORIGHTRY!!!

There are some racial overtones to some of the Trek alien races though. They used to use white actors for Klingons in TOS but they would give them Fu Manchu mustaches and a yellowy orangey skin tone. They were sneaky and devious. Now they use black actors a lot for Klingons and they’re big brutes. The Romulans of TNG look more Asian now, and guess what! They’re sneaky and devious!

None of this is blackface and a lot of it is just me doing pattern recognition on weak signals. Nine of it is over the line.