First of all, you have to understand the nature of the committee that the bill would create. It is a committee of parliamentarians, but not a committee of Parliament, it is a creature of the executive. I don't think this is the first time you have heard this. This is why the prime minister and the other ministers have a role to play. It would be different if it were a committee of Parliament.
It is a committee of parliamentarians, so it is a committee of the executive. This committee, by the way, must report to the prime minister in certain cases and to certain ministers in other cases. That's the philosophy.
Some day things might evolve, with practice, in the sense that we might realize—as is the case in England right now—that it is a committee of Parliament and not a committee of parliamentarians.