People don't buy locks so that they can lose their keys and require the lock to be picked. They buy locks to secure access to items or places. The parent I was replying to is saying that locks aren't security because a sledgehammer breaks them. I argue that a sledgehammer is only important for certain threat models. I am quite aware that most lock picking is for lost keys. However, I am describing threat models for which locks are important security. Do you understand?
The parent you were replying to mentioned at least three things:
- lock picking hobbist
- snap gun
- sledgehammer
And you simplified their comment to "locks aren't security because a sledgehammer breaks them" then proceeded to describe threat models where a sledgehammer doesn't work in detail. It's not a very constructive discussion.
Even without the sledge hammer your locks probably aren't good enough to stop a thief with a set of picks. A robot that brute forces it is more expensive and slower than any of the existing tools, so it shouldn't change your threat model.