I believe the camber/caster kit that sdhq sells is made by a company called specialty products company (spc). If so this company is very well known and used by many alignment shops. Personally I believe the alignment kits spc makes goes above and beyond the quality of most manufacture alignment kits (including fords f150/Raptor kit). I'd almost bet money there's more spc alignment kits being used by vehicles driving down the road then any other alignment kit manufacture. Not once have I ever heard them causing a failure or giving a reason for a manufacture to deny warranty.
I'm not sure I buy the fact the bolts are stretch to yield, and that's why ford advises not to reuse them. They don't have a torque procedure that indicates they are. I thought they didn't want you to reuse them because the threads are an "interference" fit, which makes them very resistant to coming loose under nvh conditions. By reusing them, it "cleans" the threads everytime the nut spins on and off, weakening the holding strength that the interfering threads give. For whatever reason its not practical to use a throw away bolt who's purpose is for adjustment. I may need to loosen and tighten these lower control arm adjusting bolts several times throughout the course of the alignment before I'm satisfied with the readings. I cant possibly replace the bolt for every adjustment change, its not practical. Maybe if live camber/caster readings were always 100% accurate, I could pull it off, but they'er not when compared to you're final caster sweep measurement..
I think ford looked at your truck and said, damn this things really ****** up($$$)! What's the first and fastest reason we can come up with to deny this basket case?!?! The aftermarket alignment kit and reused bolts is what got the blame, but I don't believe its the primary cause. I'll be keepin on with my spc alignment kit equiped Raptor, 16000 miles and zero issues. The spc kits actually caused less galling from arm movement on my frame than the bare factory bolts did.