I haven't been following EVERY failure but this seems to be isolated to Bilsteins with other brands failing were isolated to specific issues. Again, only very few failures of other brands which were not related to breaking the shaft. The common failure I've been reading of is a break at the shaft and locknut where they meet at the heim end like the pic below. What makes me think it's not the geometry is that there have been some that have failed while rolling uncompleted builds in and out of the garage. Can't be much travel in those cases.
