There may be no security on the bluetooth, but there were cameras and accountants who noticed a discrepancy in the sales figures.
In a way, it's better to have 'system level security' (ie. auditors and CCTV) than to secure just the fuel pump - after all, another thief might be around the back lowering his own pump into the big storage tanks, bypassing the bluetooth entirely...
There may be no security on the bluetooth, but there were cameras and accountants who noticed a discrepancy in the sales figures.
In a way, it's better to have 'system level security' (ie. auditors and CCTV) than to secure just the fuel pump - after all, another thief might be around the back lowering his own pump into the big storage tanks, bypassing the bluetooth entirely...