I think maybe you meant to link to AI Winter (which that link has a link to down at the bottom) as that article doesn’t really support your point (that people within AI acknowledge it has hype cycles) at all, there’s nothing about AI directly in it, although it does serve a refutation that ‘hype cycle’ means it’ll go away; if that’s what you meant your sentence was a bit odd.
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…