If someone chops open your padlock you find out about it next time you see it. The vulnerabilities in the article might go unnoticed, so the user keeps locking

If someone chops open your padlock you find out about it next time you see it. The vulnerabilities in the article might go unnoticed, so the user keeps locking gates, chains, whatever with the bad lock and the crooks can come again and again and rifle through your shed, garage, whatever. It is absolutely worse than a chopped padlock.