To be honest OneManArmy, I do sympathize with your reluctance a great deal. I would not personally care for, at least right this moment, an eroge with content lacking in Japanese influences either. Japanese culture is extremely fascinating to me and it would definitely be off for me too, even as someone who is from the west.
That being said, the point I wanted to make was that while Japanese influenced eroge would not make up 100% of the pie anymore the pie itself, being the eroge industry in general, would increase substantially in size. This would mean that while say for example, 20%