that's the right attitude enthusiasts should take. Call it like it is and be honest about it.
Towing some imaginary loyalty party line and then backpedalling just kills credibility. With something this obvious, there is no defense. The pictures of the components speak for themselves.
It's the responsibility of enthusiasts to call it out. That is what makes an "enthusiasts" opinion of value!
You have yet to understand the coments. There is no towing a party line or backpedalling, merely two engineers telling you how the process works.
In summary just so you get it:
1. The parts will have been designed to a spec creating by marketing to target a specific customer. These days that spec is for an SUV and not a hard core off roader. Land Rover is well aware about where they make their money and sadly the current customer is more interested in cup holders than off road capability. The design of the control arm will most likely have been driven by keeping vehicle weight down to a predetermined level to achieve the desired performance that is driven by marketing. Manufacturing cost is always kept to a minimum as that affects profit. Safety critical parts receive a lot of attention to reduce the risk of failure within normal opearting conditions as much as possible.
2. Once designed the parts will have been tested on the vehicle to make sure they perform as expected. It's kind of a legal CYA requirement these days. Occasionally something will get past the testing and show up later as shown in the comment about the D2 earlier and that requires a recall as Rob detailed. This is a BIG deal though and unlikely to occur based on an extremely limited number of failures all with a different cause.
3. Given the ratio of vehicles produced to known failures the evidence points to a manufacturing quality failure and not a design failure. Out of the three known failures we have 1. Some off road event that someone screwed up on and sadly shows that the LR3 is not a hard core off roader, 2. A pothole strike. I don't know the size of the pothole but I do know a lot of vehicles are seriously damaged every year hitting pot holes. and 3. The the original JRA event, whose actual cause requires a root cause analysis.
You say that the pictures speak for themselves yet you offer no failure root cause other than 'They are cheap crap." That is where the 'enthusiast' loses credibility. Muskyman and JSbriggs at least appear to have some history
following this and have offered some informed comment rather than mere hyperbole.
That is the correct attitude of the 'enthusiast'.