Crossing the floor to another political party should be a criminal offense.
It should be a sign that a minister is not to be trusted. He/she makes promises to the voters that he/she does not keep.
Such a person could be classed as a liar.
Do not vote for someone who cannot stand behind his (or her) words.
Remember such people. Store their names to memory. Never support them. They may let you down again.
Governments should be run by honesty, integrity and according to the wishes and needs of the people.