I wonder if the policy has changed since then?
Has not.
Apple and all the computer and phone makers, for that matter, could remotely lock down any stolen machine, once it is detected online. They won't. The reseller can sometimes help, but Apple will not.
Couple of years ago, an admin at a county office discovered that the mobile phone contract include once a year phone upgrades for all phones. She ordered enough phones for everyone once a year, those that did not exchange phones, she sold the extra phones on Ebay. Ended up being a pretty large number of phones. Apple would not do anything, Verizon ended up pressing charges.