Not that it will get passed now, but if he did that 2 years ago, everyone would be saying that there isn’t any good indication these things are truly a huge issue. Now that it is out that they are taking bribes, working directly in conflicts of interests, and clearly doing things in contradiction to duty, there is a much stronger case.
Making a change with the fundamental design of the of the separation of powers will always be, nearly, impossible, and completely so without strong demonstration of why they need to be changed.