Funny enough, it is not. Of course, one of the reason Google got banned was because Baidu, its competitor watches it all the time, and every time it is not following the law, Baidu will file a complaint for it. Foreign businesses make good money in China.

Google is still selling ads in China, so monetization doesn't appear to be considered problematic.

> Google is still selling ads in China,

More like Google is selling ads outside China for Chinese companies.

Google Ads market share in China is really small.