So the world works perfectly in your opinion?
The good thing about blockchain is it lowers the cost bar for crazy expensive business legalize. It of course needs more work but a proper smart contract setup placed in front of a judge leaves little need for a dozen lawyers and business consultants to see the intent of the contract.
The main issue is that the current very expensive and inefficient setup benefits middle men that produce very little value. Transitioning away from that will eventually happen and that will be the reason blockchain and smart contracts explode in value and usefulness.