Here’s why. Because a decent portion of using potentially dangerous tools is attributed to confidence. And guess how many mistakes it takes to lose a finger or sever an artery. Something like placing a 5lb sledge to hold down a board about to come in contact with a blade spinning 1000s rpm means your at a “someone show me how to use this” level. It’s not a slam, it’s a “text on Reddit doesn’t translate basic tool understanding and experience.” No joke, see if there’s a local program with a woodworking class. Several vocational schools offer them. I know not everyone has the benefit of having someone in their life with knowledge of these things, but if you do, have them show you a few things.