The point being made is that the construction hasn't been improved. If you put high-grade components together in a poor fashion then the outcome won't be great - the Horween swing tag might guarantee the quality of the leather, but it doesn't guarantee the quality of the overall product because the upper material is only one factor.
In terms of durability they're the same as run-of-the-mill DBs IMO.
The crepe sole wears fast but the high quality leather allows the boots to be resoled at an economical price. That's not worth doing with run-of-the-mill DB. I guess people have to factor that in and decide if its worth keeping as opposed to throwing it away.