In an appeal that presented an interesting dispute about the unit-judgment rule — which traditionally said “a judgment against two or more defendants, whether in contract or tort, was indivisible, and could neither be vacated by a trial court nor reversed by a reviewing court as to one defendant alone, even though it was not erroneous as to the others,” Chmielewski v. Marich, 2 Ill. 2d 568 (1954) — Carolina Casualty Insurance Co. (CCIC) argued it was justified in dropping the estates of Joseph Sperl …