The Shah was also kiiiind of an autocratic dick as well as a sellout, which is the majority of why he got his ass thrown out.Yeah, Manchurian eggs never make a good omelet, for some godforsaken reason
But seriously, unlike the Dalai Llama, PuYi spent most of his life a stranger to his people or a pawn of foreign powers, effectively making it hard to feel kindness to him. Shah Reza had a longer reign, and at least tried to fix things, but he was also irrevocably tainted due to the 1953 coup and his close collaboration with Western powers.