Yes, I think it would give you more details and information in the area where the viewer is looking. My curves in D-76 tend to be relatively straight-line until above 1.2 density, so the effect is "above Zone VII" for me. In my case, I tend to have my high-density step wedge values towards the outside of the film, where agitation effects provide more development action. So I ignore it.

Quickly getting out of my league because I am a nature/landscape photographer - and the portraits I do are typically candid/available light.

In another thread, an upswept curve is viewed as a defect.