It wouldn't be a stretch to say that this action by YC would fall under (A) in this case. GoDaddy has taken this stance simply because they think they can gain

It wouldn't be a stretch to say that this action by YC would fall under (A) in this case. GoDaddy has taken this stance simply because they think they can gain long-term competitive advantage by doing so. Supporting legislation that limits freedom in order to gain strategic advantage is inherently unethical.