Slightly off topic, but I think bike thieves are becoming more and more professional recently. Here in Berlin many now use small cordless screwdrivers with a custom gearing mechanism that operates a bolt-cutter. With that they can even cut through thick steel-bar type bike locks in a few seconds, without making any noise. I saw that in a police report lately but I can't find a link with a photo of the device now, unf…
Two (lame) lock stories below: We inherited a bike with a cable bike lock around the handlebars. The local bike shop was able to cut through it easily with bolt cutters. My truck came with a locking hitch. I recently forgot my keys and a family member pried it off with a crowbar in 10 seconds. Security theater.
I'm always amazed how the Lockpicking Lawyer on YouTube defeats any lock within seconds. I think the hardest one was a couple minutes.