Antiseize is actually different from Loctite (or any other threadlocker). A threadlocker’s primary function is to keep the bolt from loosening by stopping it from wriggling. Antiseize is to keep it from rusting and stuck. A threadlocker is actually a kind of glue. I’ve heard of people putting superglue on threads if they can’t find Loctite, but the bolt can’t be removed as easily.
The critical failure of the lug is probably because of the cyclic loads experienced by threads, as Corey said. It puts a lot of internal stress on the aluminium without much external deformation. I can’t really think of a way to eliminate the problem easily. Loctite might help, but the ultimate solution can only be to increase the legth of the contacting threads to spread the force.
@digger jr, you can try WD-40. Spray some on the crevice between the bail and the lug, wait few minutes for it to penetrate, then it should come right out.