That's not even remotely true. There's always a balance of career diplomats (you know, people with actual skills to be an ambassador) and political appointments. (You know, like major campaign doners given ambassadorships to countries they've never even been to and can't even answer basic questions about.)
Now, I don't really blast Obama for it, all presidents do it.
But part of Obama's 'change' bullshit was actually supposed to be more career diplomats and less rewarding cronies.
http://www.npr.org/2014/02/12/275897092/more-ambassador-posts-are-going-to-political-appointees
And of course that lasted all of 2 seconds.
I dont think any of its that big a deal... but then neither is not getting your "reward" for being the presidents pal or giving him a lot of money.
This is only 'news' because she died and never let a Dim miss a chance to exploit anything tragic.