This actually might not be a custom product. The website that is hosting this map could be using the Google Maps API with their own map of China.
Would you call the special Google News censorship for China a custom product?
Would you call the special Google News censorship for China a custom product?
It's also a question of ethics in this case. This is about data that Google is directly providing, not simply a matter of ranking or showing/not showing websites in their results. It's not serving the user a purple background because they like purple. Think about another possible case--would it be right for Google to draw Israel as occupied Palestine in countries where the majority of people might hold that point of view?