"Do I think that the UN should require stricter oversight of their local employees? Yes. But this doesn't look at all to me like anything more than a news organization spinning events to justify anti-UN activities by those whose position they support."

There are lots of instance of UN screwing up big time. Food for Oil, the terror attack on it's facilities in Iraq, food for sex, ect.
There mob response in NY is an easy example:
http://www.sgtstryker.com/weblog/archives/003281.php

Shows corruption from top to bottom.

But that's not related to the current issue as there failure to do their jobs at Israel's northern border. I think the UN must at the very least decide to clear out of the area if at any time and as soon as becoming aware of the fact that they are becoming hostages. It seems that UN commonly acts as a frog in a pot that slowly heats until it boils.
I think they need standards that they will always follow, I think individual UN personnel need standards to protect them from the idiocy of their management.