If someone wants to break into car bad enough glass windows won't stop them. If someone wants to break into a bank bad enough a safe won't stop them. If someo

If someone wants to break into car bad enough glass windows won't stop them. If someone wants to break into a bank bad enough a safe won't stop them. If someone wants to break into a house bad enough locks won't stop them. etc This is an unreasonable argument for trying to secure something. Every step that makes something harder to steal is an improvement in security and increases the cost of theft.