45 Colt brass IS NOT WEAK. Just not as strong as 454 Brass.
Jesus Crist!
Based on what evidence? It is my understanding, at least in the case of Starline brass, that the only differences between the .454 and .45 Colt cases are the length and the primer pocket. I am not trying to be combative here, but you are making definitive statements and I would like to know what evidence you have to back that up. That's all.