Let me rephrase this. I was restating a widely held view of repair technicians. The advice is to other technicians not vehicle owners. The advice is intended for the technicians liability protection.
From an owners point of view, it has to be done for any hope of a second 100k. The problem for the technician is having an owner understand the risk is his, not the technicians.
Bosch Master, ASE Master, L1
33 years MB technician