How does it give them more time? Shouldn't the goal of seizure is to remove access to something to someone and remove him the capacity to alter evidence? If he

How does it give them more time? Shouldn't the goal of seizure is to remove access to something to someone and remove him the capacity to alter evidence? If he refuses to comply or try to alter the evidence while complying, sure, they are guilty and I'm pretty sure there's a legal process for this situation, but at this point right now if they seized the data, they can no longer alter it.