Why are we Pissing off Our Banker (Red Chinese) By Selling Arms to Taiwan?

When I read this article I thought it was dated during the Bush years or something but it does say that it was Obama that approved these arms sales to Taiwan.

In the meeting with U.S. Ambassador Jon Huntsman, Vice Foreign Minister He Yafei said the arms package for Taiwan "constitutes a gross intervention into China's internal affairs," according to a foreign-ministry statement. China is "extremely indignant," it said.

Beijing previously suspended military exchanges with the U.S. after George W. Bush authorized a separate weapons package for Taiwan in October 2008. But military ties were re-established last year and had been gradually mending before the Obama administration announced the latest arms sale Friday.

I thought Obama was supposed to be the great intentional healer but instead he pisses off the Red Chinese by selling arms to their so-called "break-away province?" I guess this is some Chicago style politics as revenge for China making Obama look like a doof at the Copenhagen Climate Klatch last year.