So I was researching some flight options to Europe via the Middle East and noticed that QR airways, e.g. from DOH-LHR, earns 15SCs for economy, 30 for Flex, and 30 for J, but 60 for F. This is out of keeping with the usual rule of economy =x, flex = 2x, J = 4x & F = 6F (and makes it a complete...