Several lawyers picked up on that on Twitter. It's definitely not a correct statement about every kind of "law." But it's right about statutes, sometimes called "positive law."
English history gave us a very confusing legal structure, where there are statutes, (common) law, and equity -- all variously called "the law."
English history gave us a very confusing legal structure, where there are statutes, (common) law, and equity -- all variously called "the law."