Because judges are appointed, they don’t have to run for election or reelection like other politicians. How does freedom from campaigning help federal judges maintain their independence?

Answer 1

Judges, especially federal judges, are appointed for life. As such not having to campaign allows them to maintain the integrity or the bench and not make decisions based on party lines. They do not have to worry about repercussions their party turning their back on them because of a decision they made. They are able to bestow justice with little to no political interference.

Answer 2

No one is infringing the independence of the judges, there is system called as the seperation of power followed by the almost democratic countries and the core idea of this system is that no organ of the country like, legislation, judiciary or executive can do the functions of other.