Most definitely. Breaching the tissue there to cause bleeding can cause all sorts of nasty things, up to and including septicemia. It’s really a nice way for Darwinism to play out. Nature has all these tells that bluntly say “doing X is dangerous, if you do X you are going to be sorry,” and people just do things anyway.
Modern medicine and the Hippocratic Oath are mistakes in some ways. The alleviation of suffering has brought on us all a pervasive sense of pleasure seeking and irresponsibility.