When the law says, 'separate your plastics and glass for recycling', not many people intentionally start mixing them. When it tells businesses to pay minimum wage, they don't cut wages further below the new minimum. Most people think of most laws as reasonable.
Yes, it needs to be communicated effectively. If you attack people, they feel unsafe and get defensive. Most law is very dry reading, not accusatory or emotional. And very few people read the actual laws.