If the search warrant and seizure wasn't a thing I'd agree with you. But I can easily see opening a phone interpreted not that differently than opening a safe or your reinforced front door.

> But it's sufficient for demonstrating that these dynamics all depend on willing participants which is partially why these laws are designed the way they are.

What happens if during serving a search warrant the door is impossible to open or they find a super reinforced safe. Owner can even say "I don't remember the combination"?