That's because you didn't see how masterfully they handled the He-Man license.
Seriously though, if the question is "Can any big-name corporation balance the TMNT brand on multiple fronts, while appealing to both the kids and the older audience?" then the answer is, "WB has been doing that with several properties for a very long time already." They're more or less the ONLY company at present that even makes an attempt to do so, if we're looking at it objectively. Who else even tries?