The short answer is undeniably “yes”. I have done it in harmless ways to verify for myself, and I have talked to people who have been on the other end of it in much less harmless ways.
How it actually works and what the limitations are is a much bigger question, but the summary is that if you can know to resist you’re usually fine. “If you know to” and “usually” are big caveats though.
If you want a more in depth look about how actual hypnotists look at the nuts and bolts of these things, there are many past threads on this forum which are really fascinating. As you can see, there are others that have done these things too, and people have been quite open about how this stuff actually works and what the [significant] limitations are.
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It’s worth pointing out that while he speaks as if he knows the answers, Richard is only guessing (both that there would be a bias and about what hypnosis can do), and his ideas should be taken with a large grain of salt. He doesn’t actually know enough about hypnosis or have enough familiarity with the peer reviewed scientific studies to be able to verify whether the bias exists or not or whether hypnosis can do any given thing or not. And I say this as a Richard-verified “butcher who has transcended these biases”
