I do believe that Kizer not saying no, etc, does indicate that maybe the Kizer/Kelly relationship may not be irreparably harmed.
I thought Kelly's comments were unnecessary and poorly timed. Even if true, or even if you think it's true, it's best to just be a cheerleader for your former player. There really is no upside to those comments, even if it is true or you believe it to be true.
That said, of all the issues with Kelly and ND, those comments are pretty low down the list for me.