The whole industry seems to be discussing this topic. Here's what Modern Machine Shop has to say about "Cycle Time Is In The Cut Now". High volume machining centers have become so efficient outside the cut that the widest margin for productivity gain is within it.
In this era of partnerships and collaborations, relationships between a machine tool builder and a cutting tool manufacturer have been rare. Granted, many organizations champion newly formed relationships, but few really go beyond a superficial press release that looks good to prospective customers.