You say that you "know" that "that this study doesn't prove any genetic difference in how men and women interact with video games." That is a really strong stat

You say that you "know" that "that this study doesn't prove any genetic difference in how men and women interact with video games." That is a really strong statement, which you offer without support. How do you know that? What if we asked whether this study "supports" such a difference instead of "proves" it? Would you still say you know it doesn't support it?