It wasn't so much that Talia was strong, but that he disliked existing DC females, and Catwoman was one of those. The 1975 story was "The Curious Case of the Catwoman's Coincidences!" from Batman 266, and Catwoman spent most of the issue suffering from amnesia and accidentally falling into becoming Catwoman again just in time for Bats to capture her. Possibly her most anemic portrayal and nothing in it to detract from the Talia propping that Denny was doing.