If you ever doubt the power of the motte-and-bailey technique, take a look at the convo around cultural appropriation & try to work out how we went from "definitely don't do blackface" to cyberbullying celebrities who wear chopsticks in their hair https://rationalwiki.org/wiki/Motte_and_bailey …
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I suspect that's an issue in theory but not in practice: Cultural exchange has always been pioneered by liminal and shunned individuals.
That seems roughly right to me at the "pioneering" step, but mainstream adoption is a step you can't skip if you want there to be any significant impact, and that seems to be what's in jeopardy