It has wifi. So you can immediately post those 100MP photos to Instagram. 'Nuff said....
Seriously, though... For all the poking fun (and I can't help stifle a grin myself), there will be a few professionals who can justify the need for 100Mp medium format images. Not many, I think, but there'll be some. And even if they don't actually
need that resolution, the bragging rights and (perhaps misplaced) respect for that specification might be useful to some professionals.
Looking at it another way... Assuming we had the computing power and storage to deal with the files, I don't think any of us would turn down a free H6D-400c, and I trust we'd all be blown away by the image quality - especially when pixel-peeping