"Legal minimums" are that for a reason. They take into account broad considerations and assure that safety concerns are met. A diversion isn't unsafe, it's just a nuisance delay.

This becomes a balance. People who want cheap travel from A-B can have it and people who want to be coddled and less inconvenienced can purchase that on another carrier.

Same thing as car service vs. bus. Nobody complains that the bus driver doesn't wait for you.