Why are Chinese staying away from Zhang Yimou's movies?

Donations to Sichuan earthquake relief funds:

Sir Run Run Shaw - HK$ 100m
Jackie Chan & Albert Yeung - HK$ 10m
Zhang Ziyi - RMB 1m
Jet Li - RMB 1m
Gong Li - RMB 500k
Andy Lau - RMB 100k
Zhang Yimou - RMB 100k