What's the use of the hexagon bottom in braisers?
The pattern on the bottom is to reduce sticking, as food is only likely to stick to the peaks and not the valleys.

It is also intended, with dubious effectiveness, in my mind to extend the non-stick lifetime of the pan as the non-stick coating tends to only wear off the peaks, and not so much from the valleys.

In my mind,  non-stick is not a feature I would look for in a dutch oven, where you want fond development for braises and searing.