premise: Tung's comments were rounded on by local legislators.
  "It looks like a question of 'do as I say, not as I do," said independent legislator Emily Lau.
  "Everyone understands that this is a sensitive matter. I think the overriding concern is that we should not make drastic changes... there is no public outcry for such drastic changes."
  "He does it and now he wants to ban people from doing it".
   What is the reason for not making drastic changes?
hypothesis: Everyone understands that this is a sensitive matter