Maybe... maybe not!
That's what they used to say about the Cartoon Network too. Now the Cartoon Network is a hugely successful channel! And Boomerang is quickly becoming popular too. I think a Toonami Channel would be hugely successful in the U.S. and Canada.
Favorites! (1) Action: Transformers & G.I. Joe; Visionairies; The DCAU; Robotech, DBZ, Cowboy Bebop, Samurai Champloo & Trigun; TMNT, MOTU; and Avengers: EMH; (2) Comedy: The Simpsons & Futurama, Space Ghost: Coast to Coast & The Brak Show, Sealab 2021, Harvey Birdman: Attorney at Law, ATHF, The Boondocks, The Venture Bros., and Archer