45 years working with power tools professionally and I've been lucky, no damage a band aid couldn't take care of, although it was usually was masking tape, or duct tape, which ever was closest.
As a teen working in a boatyard, I got to see what a thumb of a fellow worker looks like rolling across a board being cut on the table saw. That was a pretty good lesson in what not to do.
Then just as a refresher, not long after, I came home to my father standing with a towel around his hand while my mother was on the phone to the doctor. Sliced his middle finger on his left hand down into the bone by leaning on the table saw after he shut it off, but the blade was still spinning down, while he was admiring the piece of wood he'd just cut.
The doctor stitched it up, but Dad cut the nerve so he lost all feeling in that finger forever. We did get a chuckle from it later on. Everytime he used his "Brooklyn turn signal" he had to look at his hand to make sure it was extended !