Blind to ____ / turn a blind eye to ____ / blinded by ignorance/bigotry/etc. / double-blind review Refers to Blind, low-vision, or sight-limited people. Often used as a metaphor. Consider instead: willfully ignorant, deliberately ignoring, turning their back on, overcome by prejudice, doubly anonymous, had every reason to know, feigned ignorance

Those alternatives dont mean the same thing.

Double Annoymous seems better