I wouldn't say it's a special case. All I can say is Toyota is known for their reliability, though I've heard it's gone down recently, especially considering Tundras have major recalls with their engines eating their main bearings.
The UOA tells me that despite my previous beliefs, thin oil can...
I imagine there could be a direct comparison, my wife's RAV4 is used for what the average person does, taking kids to school, grocery shopping, to/from work. The only time it sees the pedal go more than halfway is when I'm the one driving and merging or passing on the highway.
I don't disagree...
When it's time for my next oil change, I'll buy an extra quart for a VOA alongside it.
don't Group IV oils with esters show higher than "normal" oxidation values?
I'm actually planning this. I replaced the 0W-16 with Amsoil's SS 5W-30 just in case the 0W-16 caused more than 5ppm iron wear. I'll post that result in another 5k miles. I'm hoping I'll see a little less wear with the 30 grade, but the UOA has shown me even the thin oils can do well, I'm still...