Glad to hear others are having trouble with the battery on this phone. I've given up and just left all features on since I have to charge once a day anyhow. Attached is a screenshot of today's miserable performance.
I used to get crappy battery life until I stopped using WiFi at work. Now I get really good battery life. But like you said if you're going to charge once a day anyways then who cares how much battery you use as long as you make it through the day.