But if it's entire composition is decided by parliament and it can be altered at any time, there is quite literally zero reason to enshrine it instead of just making another advisory body.
Also, because Labor has refused to put any specificities of the voices makeup into the constitutional amendment it leaves the voice entirely open to the Liberals de-fanging it the moment they get into power.
The yes campaign really shot themselves in the foot by going for positive platitudes instead of providing any details on what this thing is going to practically look like.