Most of the time with this model, it's not a quick and dirty hack that is the result of spiking, but the design fleshed out with maybe stubs for a few of the lo

Most of the time with this model, it's not a quick and dirty hack that is the result of spiking, but the design fleshed out with maybe stubs for a few of the low risk (to the overall design) error pathways. The whole point was getting to a design that fulfills the feature requirements but for which the contract boundaries weren't known going in.