What's the purpose of having laws if they're going to change on the whims of the govt./legislature of the day? The FUNDAMENTAL law should be immutable. Write

What's the purpose of having laws if they're going to change on the whims of the govt./legislature of the day? The FUNDAMENTAL law should be immutable. Write once and it never changes. No need for senators, mps and all those other useless positions that only consume from tax payers. If there are other nuances - because there'll be unforeseen occurrences and paradigm shifts like the advent of technology and its implications - then we rely on the judiciary and future similar occurrences rely on precedent to come to a judgement. Also, arbitration can really solve some of these cases in free market environment where parties involved can agree on an arbitrator and their differences can be resolved.