Retrospective laws are unfair because they change the legal status of the past. So if you do something that is not illegal on Monday, and the government decides to make it ill â¦ egal on Tuesday, you can be punished legally. 3 people found this useful.hen a citizen asks the government to change a law they are  exercising their freedom to petition the government for a redress  of grievances. This is a freedom that is secu â¦ red within the first  amendment to the U.S. Constitution. Mark Swarthout.