There is a way they could make the majority of it noise - if they reduced their expectations to only picking up a single type of signal, like thinking of pressing a red button, and tossing anything that doesn’t roughly match that signal. But then they wouldn’t have their super fancy futuristic human-robot mind meld dream, or dream of introducing a dystopian nightmare where the government can read your thoughts…
This is kind of blaming the victim: you think black or queer people did something other than existing to egg on hatred? True, some go out of their way to try to befriend KKK members and such, but that strategy has only makes a tiny dent on things. Once someone is pouring gasoline on your lawn in a cross, it’s a bit too late to make friends.