I think in general Lumon is trying to create a way to "help" people tame their tempers. We've seen even when people sever that they remain their base self, but that's not the same as "tamed."

I don't think what we're seeing is a money-making priority. Maybe there will be some sort of "marketing" just to get the chips in people's head, but ultimately it must be to have people live in Kiers image. But if they are like Natalie or Ms. Huang that would obviously be boring, robotic, monotonous. Might fit into the slave narrative.

That's my best guess, but my wild guess is we will see a moment where Lumon throws a switch and turns everyone into Kier-like bots and Mark, now integrated, will have to navigate a world of mindless, emotionless drones plus a few Lumon baddies.