Great idea and implementation! If you are hesitant to install this for any reason, you can accomplish the same thing with this one liner:

  sudo bioutil -ws -u 0; sleep 1; sudo bioutil -ws -u 1

Edit: here's a shortcut to run the above and then lock your screen. You can give it a global keyboard shortcut in the Shortcuts app. https://www.icloud.com/shortcuts/9362945d839140dbbf987e5bce9...

▲ alin23 5 hours ago | parent [-]

Hook this to a lid angle below 30° trigger in https://lowtechguys.com/crank and you can easily make it run on a simple lowering of the lid

At that point, why not just disable Touch ID?

	▲	hervature an hour ago \| parent [-]
		When the bad guys are too impatient to wait until you leave the computer but not fast enough to stop you before 30 degrees while keeping the convenience of life.