I disagree with democratic color selection. I have older eyes and have trouble with low contrast between text and the background. Gray text is hard to read an

I disagree with democratic color selection. I have older eyes and have trouble with low contrast between text and the background. Gray text is hard to read and gray on black is impossible, like what you find on Japanese electronics. The gray on gray in this article's introduction is about at the limit of easy readability for me. I have no problem with viewer choice, so long as the default is high contrast.