Earlier quoted context omitted.
Disassemble and remove the battery. I can do this in about 1-2 minutes, others more skilled can do it in <30 seconds.
And then? You can not turn it on again, without also activating the beacon. I wonder if stolen iphones have any value except for hardware parts.
2) If the thief knows or can guess your passcode, you are screwed, because they can take over your iCloud: https://www.macrumors.com/2023/04/19/apple-responds-to-iphon...