So we're in agreement about the technical situation at hand - rely on nearby devices' location data. This should work fine in most airports, sure.
I'm still stuck on all of the friction involved in actually using airtags as a theft recovery device. Neither the tag or Apple's service can contact police or airport security on its own, so you're spending who-knows-how-long flagging down security, explaining the situation, and waiting for them to relay that message back to an appropriate authority who will go find the thief.
Alternatively, you skip the "talk to security" part entirely and go find the thief yourself (assuming you're comfortable with that sort of confrontation). You're still dealing with a moving target - one that can very easily leave the airport entirely, forcing you to choose between sacrificing your bag and potentially missing your flight, a cab, etc.
You also run into a proliferation issue. The more popular airtags become as a theft-recovery device, the more thieves will know to look for them and remove them from stolen items.
I'm still stuck on all of the friction involved in actually using airtags as a theft recovery device. Neither the tag or Apple's service can contact police or airport security on its own, so you're spending who-knows-how-long flagging down security, explaining the situation, and waiting for them to relay that message back to an appropriate authority who will go find the thief.
Alternatively, you skip the "talk to security" part entirely and go find the thief yourself (assuming you're comfortable with that sort of confrontation). You're still dealing with a moving target - one that can very easily leave the airport entirely, forcing you to choose between sacrificing your bag and potentially missing your flight, a cab, etc.
You also run into a proliferation issue. The more popular airtags become as a theft-recovery device, the more thieves will know to look for them and remove them from stolen items.