IIRC as the article already mentioned, these were the kind of his moves that were quite unique, experimental and even trail-blazing. I thought the first SW was a pretty interesting yarn, even if this kind of thing later got turned in to a product. But that was going to be the case, regardless. Anything successful was always going to be imitated until turned in to product.
I mean, as far as comics as a product, he did pretty much create the “Giant Crossover Event”^tm First with Contest of Champions, then Secret Wars.
IIRC as the article already mentioned, these were the kind of his moves that were quite unique, experimental and even trail-blazing. I thought the first SW was a pretty interesting yarn, even if this kind of thing later got turned in to a product. But that was going to be the case, regardless. Anything successful was always going to be imitated until turned in to product.