Just look what happened to the Delta rocket program after Boeing bought Douglas. https://en.m.wikipedia.org/wiki/Delta_(rocket_family) Douglas never lost money when the delta program was in Huntington Beach plant.
Let them do it! That Oring is a bear to get out! I did end up using a hooked dental pick and that made it a lot easier. I tried plastic hooks and brass hooks and neither would work for me. Installing it is easy. Just install the reg piston with all of the spring washers and it gives you a stop...