Never thought of it in those terms but you present some interesting food for thought on the racial bias. I mean we've all seen alt tags on incredibly mediocre websites that shouldn't rank but do. The practice of keyword stuffing is more about duping the spider to yield more traffic but does have serious consequences that impact the disabled. Is the math that runs the algorithm woke? In a word NO. It definitely does not catch the kind of stuff you've cited in these particular instances. Yet another engineering hurdle for Google.