[Max thinks it's bad to hear, he thinks, wait until she experiences all of it firsthand herself. He wonders if he should bring up the breeding cult; probably not, he thinks. There's already enough he has to bring her up to speed on. Shouldn't try and completely overwhelm her.]

I believe he was trying to "clean up" the whole Manticore "mess" to prevent people from finding out the program ever existed.

[He lets out a huff of laughter, tinged bitter with the reality he recently comes from, shaking his head.]

Of course, that was before he made everything Manticore ever did public knowledge and put every single Transgenic at risk.