In the study of reliable processes for arriving at belief, philosophers will become technologically obsolescent. They will be replaced by cognitive and computer scientists, workers in artificial intelligence, and others.
Robert Nozick, The Nature of Rationality
If you haven't read this book yet, do so. It is basically LessWrongism circa 1993.
What do you mean by Philosophy in that quote? Contemporary philosophy already incorporates knowledge from other fields including computer science, and this is an ongoing process of adaption.
If it refers to 'philosophy' as some static corpus of knowledge from before a certain point then yes it is trivially true.
Y'all know the rules: