Opening disks are wear items so that portion doesn't really fall in that category for row unit integrity.  Also a lot the opening disk failures I feel have to do with a few underlying causes.   1. If the frogs/seed tube guards are worn too much it allows the disks to receive additional side torque loading at the hub when the disks are in the ground because they are not held apart at the correct distance which is that of a new guard.  2. When the topsoil lacks moisture like it does over a great deal of the grain belt of America right now it takes even more downforce to hit target depth. With Hyd downforce systems able to reach 650lbs of applied downforce these days it compounds the problem.   More downforce = more side torque = more failures.

Aside from that the LP1 row unit hasn't exhibited stress fractures or parallel arm wear when put through these conditions versus OEM units which is where the "indestructible" figure of speech came from.  I didn't specifiy it doesn't apply to the wear items on the row unit.