With regard to act of theft, conviction and sentencing principally depends on quantity of theft.
Captain Gunter probably took the box from the Summer Palace as he saw it as the spoils of war rather than an act of theft.
Rather than indulge the ministers who collect money, it is better to employ the subordinates who steal public property. It is the same act of theft anyway.
"The development impact of theft on a massive scale is devastating," says Zoellick.