The genesis of Bing is said to be the acquisition of the company PowerSet which did large-scale data extraction from DBpedia and similar sources to make a knowledge graph.
Google had ridiculed this approach before but when Microsoft came out with Bing which was comparable in quality to Google, Google was shocked and they bought Freebase and started talking about a "Google Knowledge Graph".
Anyhow you should try it. Bing and Google are comparable in search quality -- some people might prefer some SERPs from Google or Bing for certain queries, but the difference between raters is bigger than the difference between search engines.
Admittedly Bunnie is mostly a hardware guy but I think he would also have connections and sensibilities in software and China is pretty big on hardware too.
"one of the most impressive technologists" is much different than "most impressive technologist". Removing the plural completely changes the meaning of that statement.
So let's be honest here. YC needs to tap in to Chinese market's booming startup scene. You can't do that without having native Chinese guy leading these effort. You ideally need a suit who has network and hopefully also understands the little details, you know, like code. But you got only the suit who has network. You will try to do best with what you got. That we get it.