Marais JA made several significant obiter observations: (1) He cautioned against interpreting exemption provisions by reference to the particular industry involved (banks and insurance), emphasizing that section 3(1)(d) is of general application and its interpretation cannot depend on the fortuitous circumstances of the case. (2) He noted that "reading in" words to statutes is sometimes necessary and legitimate when demonstrated by the statute's overall purpose, comparing it to the unconscious "reading in" of the word "other" before "public regulation" which everyone accepts. (3) He rejected the notion that difficulty in calibration or identifying precise correlation between regulatory schemes should prevent adopting a purposive interpretation, stating that doubtful cases should be resolved in favor of Competition Commission jurisdiction, consistent with the Act's aims. (4) He observed that it is "well nigh impossible" to comprehensively identify all acts excluded by section 3(1)(d) given the vast array of statutes, ordinances, and subordinate legislation in South Africa, and that human ingenuity in avoiding regulatory restrictions is infinite. (5) He noted that the consultation requirement with the Competition Commission in the Banks Act existed since 1990 when concurrent jurisdiction was clear, demonstrating it was not intended as an ouster provision. (6) He disagreed respectfully with reasoning in the SAD Holdings Ltd case (referenced in the majority judgment). (7) He emphasized that mergers in advanced economies are "notorious for their capacity to eliminate or stifle competition" and may have malign effects despite benign intent, explaining why the Competition Act dedicates an entire chapter to merger control.