See 29. Inevitably, philosophy HAS to overlap with theology because both address worldviews. Inevitably some philosophical claims -- whether they be mild or tepid speculations, or stated in stronger manners that openly conflict with Scripture, delve into a view of man, a view of the world, and a view of God. Masters has done all of these.
And last time I checked, people were free to have their own opinions, and other people were still free to listen to them, and agree or disagree. I didn’t say I believe all he says, but I do know him personally, he’s a heck of a guy and brilliant even. Why do you have a problem with that anyway?