After watching this:

https://youtu.be/NTRVY5lNwog?t=158 (should start at 2:40)

I remembered the talks about Toyota setup and tried to find same places for more cars (which somehow wasn't easy). On the places I saw the Toyota's seem to nosedive a bit more under braking than others, not much but you can see the difference, something like 5-10cms.

Here it's easiest to see:
https://www.youtube.com/watch?v=0ziI...ature=youtu.be
0:20 Latvala with 3 loud touches, specially the first one is all the way to the sumpguard
6:20 Suninen never touches
6:50 Mikkelsen 1 touch

Here the differences are much smaller, but still looks like there is some:
https://www.youtube.com/watch?v=uGjx...ature=youtu.be
0:15 Mikkelsen
2:07 Suninen
3:30 Toyota (cant see number)
4:40 Lappi (I think)

I also remember seeing photos from where Toyota is scraping with splitter under braking after a straight. Sure different drivers don't brake exactly the same, but it's not like other cars are braking the radiators/front suspension under braking either. (Toyota now had related issues in GB, Portugal (Tanak and Latvala) and Argentina (Latvala))

Could be rideheight by itself, setup or suspension design or a combination... or nothing, but then again the broken cars are real.