I'm deterred from such job ads. But in fact you're right, it's not because of what I wrote above. Instead, it's because I've found a high correlation between those job ad keywords and dev work doing nothing but CRUD apps under the micromanaging eye of dysfunctional management.
But I tried to explain that in a more rational, diplomatic way, rather than just assume his company sucks.
Yes, such terms in a job description - or in my case, in initial contract meetings - are red flags for me. Red enough to either never apply or show myself out with some excuse. Because my definition of "brilliant" may not match their definition of "brilliant" in terms of capability or efficiency, and I don't want to find out how high the expectations are after the agreement's signed.
no one thinks that because it's pr speak. i've never met anyone deterred by "brilliant" or "ninja" or "10x" or etc.