However, picking a lock still requires a short period of being unobserved. This may not be the case in for example an office building. Taking out a key and unlo

However, picking a lock still requires a short period of being unobserved. This may not be the case in for example an office building. Taking out a key and unlocking the door is an absolutely normal act and few people would notice. It even adds an air of legitimacy - that person has a key, they’re likely allowed in there.