Code won't make the complexity go away but it can definitely inform humans of various little things that would be too tedious or expensive to do manually.

There's a reason we don't have lawyers review every ecommerce or in-store purchase that's made: the process of shopping has been standardized to such an extent that most parties (merchants and buyers) don't need to sign a bespoke agreement for every transaction.

If we can get more complex agreements automatically hammered out, it represents not just large cost savings, but potentially creating more business for smaller players easily.