As Korea FTC has stated that the merger can only happen without a dilution of benefits to Asiana members, this is a perfect example of Korean Air not providing a like for like benefit. The issue is that Korean Air doesn't give this benefit to their own members currently.
As we saw recently the FTC basically ordered Korean Air to stop their 777 retrofit of economy cabin to add more seats with a 3-4-3 configuration as opposed to current 3-3-3 layout. "
Korea’s Fair Trade Commission (FTC) warned that plans to introduce tighter seats in economy could violate conditions tied to Korean Air’s merger with Asiana, which included limits on fare increases, seat reductions, and changes to the frequent flyer program, in order to protect service quality. According to FTC Chair nominee Ju Biung-ghi:"
So we should voice our concerns to the FTC.