They did as of Haswell. New machines are crackable too with more effort, but this simple short trick doesn't work. No, I don't know a trick for new machines,

They did as of Haswell. New machines are crackable too with more effort, but this simple short trick doesn't work. No, I don't know a trick for new machines, and am unlikely to look for one. Modern Thinkpads aren't machines I'm very interested in.