Sometimes, it is, like for instance when a very good speaker submits a very good talk proposal which has no conflicts with any other.
Most times, it isn't.
There's a guy who submitted four talks and all of them are good (the problem here is to choose which ones to accept). There's three guys who submitted what looks like the same talk (we'll have to ask for details, in these cases). There's a couple of talks we just can't understand what they're about, regardless of how long we stare at the description...
Plus, it's a whole bunch of talks, and we also have other things to do (jobs, etc), so we can't afford the time to start on one end and proceed to the other one without stopping, which means we still haven't been able to look at all talks.
More details soon.