Engine Grinding Noise problems of the 2008 Lexus RX

The oil cooler line developed a pin hole leak in it in which in a matter of minutes the car was completely out of oil in which the engine started making grinding noises until I stopped the car. This happened on my 2008 Lexus and looking into the issue, Lexus changed the design of the part in 2011 after concerns of failure of this part. There was a section of the part that was a rubber hose in between two metal lines. Lexus changed this part to make it one whole metal line in 2011. For some reason from 2007 to 2011 this part was not recalled and still has the rubber hose oil line on it. It costed me several hundred dollars to replace this part and could of destroyed my engine as well or at least limited the engine life since it was without oil for a couple miles. I'm concerned that it happened while I was driving and leaked oil on the road to the point of my vehicle being empty and could of seized up my engine as well which both are safety concerns and environmental issues. Lexus obviously knew of the part issue to change it's design in 2012 but still doesn't have a recall on it. Not sure if I'm buying another Lexus because of this.