[Brightcolours]

And how are the corner with that Oly @ f2, Klaus? The bokeh of that Nikkor is more than acceptable.

And why should you buy a 12-45mm for bokeh shots?
There's the Oly 45/1.2 or Voigtlander 42.5/0.95 for this.

The Oly 12-45/4 plus 45/1.2 are still more light-weight combined than that Nikkor alone. ;-)

If you want NO flexibility in DOF, why not ditch MFT altogether and just make do with a cellphone?

As you can see from the Nikkor 24-120mm f4 VR shots, you can get quite a bit of subject separation over the entire 24-120mm range when needed. So that answers your question enough. 

Of course, there are people who are happy to make do with the FF equivalent of 24-90mm f8, and for those the Only seems quite neat indeed. But why disparage others, who do see the value of more DOF flexibility than FF f8 over that range can offer?