Wirelessly posted (BlackBerry8700/4.1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/125)
Might be a marketing ploy. If Op was flying on full fare tickets for a year, then by BA comp-ing a Gold extension, he is likely to go with BA if his travels start again. Does Op also work for a firm where BA is not the preferred airline? If so, it all adds up, marketing-wise.