Because the law has not changed and she is not lawless. Her steadfast belief in the USA Constitution and the application of The Rule of Law is obvious and consistent. She believes change happens within the legislature as represented by the people who elected them. That is why she asks voters to provide a strong Democratic majority to pass the change Americans are looking for in their federal authority.
Kamala Harris and Tim Walz are not interested in being lawless dictators, not even for one day. They believe consistently in law and order and the USA military for national security.
The election choices for the President and Vice President are polar opposites and very discernible in the year 2024.