I don’t expect the law to prevent the crime. Much like my comment you replied to, I recognize different tools are for different situations.
The law is there to enforce the “rule of law”
It’s a little ambiguous because the phrase is in English and doesn’t match up 1:1 with the common vernacular, but I want the “rule of law” to enforce that the rules are real, not to prevent someone from testing their existence
Encryption is a technical solution trying to solve the problem of people being able to steal your data/money without your knowledge.
The law/police are the solution to the 5 dollar wrench problem, where you are very aware of the attack but unable to physically stop it