And you could even say that Wittgenstein took a somewhat similar route, when he shifted his interest from the unanswerable riddle of existence and its implicati

And you could even say that Wittgenstein took a somewhat similar route, when he shifted his interest from the unanswerable riddle of existence and its implications to the exploration of meaningful existence as a human being, which is inevitably involved in a social process. (Mind that this is not suggesting any substantial similarities beyond this.)