Find-a-way people aren't more talented. They're harder to stop, and their main technique is unglamorous: they ask someone.
When the front door is locked they try the side, then they call a friend who knows the building. Where others read a closed door as a verdict, they read it as one door.
Something is blocked for you right now. Who has already solved it? There's nearly always a person, and the cost of asking is a small awkwardness that's over within the hour.