or because his pay is lower then singapore PM 
...true his pay is lower... when he
first graduated, instead of earning big bucks (having graduated
from Harvard) he became a community organiser earning pittance, in
order to serve the community...
Now he is honorably making lots of
money through his own effort (his books are best
sellers).
Compare him with an old dying despot
with a wife that cannot peacefully die and a son with cancer...
continuing to take massive amounts of public money even in his
senile years... for himself, his relatives and his
cronies....
...why in the world would he call on
despots taking massive amounts of public money when he is honorably making massive amounts of
money from his own effort?