I see no problems with what she said. Ideally would have kept that in house but ...
As stated throughout this thread as well as by Miko herself in past interviews, there are certain things that Brent pulls rank or gives his blessing to when it comes to what can and can't be made public knowledge, and she respects those boundaries.
Outside of that, what little I've heard about him says that he honestly doesn't give a shyt about what she says or does. Read this article below:
Grimes Against Humanity: The life of Brent and Miko Grimes
That man doesn't give a damn about what Miko does. As far as he's concerned, telling her to chill out is basically telling her not to be the woman he fell for.