Booking.com/priceline is notorious for this. Expedia group is better. I have replied to booking.com with a letter similar to yours a couple of times. You might win, you might not. I disagree that there is a double standard with FT'ers. I really doubt anyone here will say Booking.com is in the right.

http://www.flyertalk.com/forum/onlin...oking-com.html

http://www.flyertalk.com/forum/onlin...servation.html

http://www.flyertalk.com/forum/onlin...oking-com.html