[mothered]

I recently EBed an Apple Watch in-store after I'd turned the device on and the SE was still a success

There are a lot of variables with social engineering - nothing Is set In stone.

There could've been so many reasons why they didn't bother to check your device. My post Is referring to the likelihood of It happening, and also to play It safe by waiting until the claim has been finalized and the funds have cleared Into your account.