Answer:
Some say it is; that the laws only apply to people thousands of years ago.
Some say that there is still much wisdom to be gained from studying the Bible.
Isaiah 40:8 The grass withereth, the flower fadeth: but the word of our God shall stand for ever.
2 Timothy 3:16 All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness;