Politics is all about defining yourself and the party you lead before others can define you.
Sometimes laws are bad because they are undemocratic and sometimes laws are bad because they are archaic, but section 329 (the ban) manages the stunning achievement of being both undemocratic and archaic at the same time.
This is to bring home a message to the new government that they have a mandate to make government more honest, more accountable and to make it better.