Modern aircraft? Those are excellent and work well. I am thinking of a B787 and A350. More: How about medical implants, like a heart pacemaker?

The regulations around parts sourcing, required maintenance, and training has more to do with how well/safe modern aviation is than anything else. If those aren’t done properly, all sorts of weird things start happening. Pretty much the only reason aerospace safety records aren’t worse in third world countries is because of how obviously bad the consequences are quickly - and even then….