You can't make the same case for Fu/Cai, because they've been performing well consistently
How do u
judge consistency?
Since the World Championships 2007:
Fu Haifeng/Cai Yun -- French and Korean Open titles and 7 losses
-- SF losses in Macau (to Choong/Lee), Denmark (to Eriksen/Hansen), Hong Kong (to Kido/Hendra), Malaysia Opens (to Paaske/Rasmussen)
-- R16 loss in Japan (to Paaske/Rasmussen) and All-England Opens (to Njoto/Wiratama)
-- R32 loss in China Open (to Zakry/Fairuz)
Markis Kido/Hendra Setiawan -- China, Hong Kong, and Malaysia Opens titles and 6 losses
-- SF losses in Japan (to Luluk/Alvent), Macau, and Denmark Opens (both to Koo/Tan)
-- QF loss in French Open (to Choong/Lee)
-- R16 loss in Korea Open (to Paaske/Rasmussen)
-- R32 loss in All-England Open (to Ohtsuka/Masuda)
Koo Kien Keat/Tan Boon Heong -- Macau and Denmark Opens titles and 6 losses
-- QF loss in French (to Ohtsuka/Masuda) Hong Kong Open (to Tony/Candra)
-- R16 loss in Japan (to Luluk/Alvent), China (to Tsai/Hu), Malaysia Opens (to Paaske/Rasmussen)
-- R32 loss in All-England Open (to Sakamoto/Ikeda)
All the 3 pairs have their share of losses in early rounds.