Great..
I don't have the 7D but my old 40D will allow a setting of any Kelvin temperature I want.
A straight Daylight setting is still semi auto if you know what I mean.
I do see that you like to point and shoot your subjects on the go, so you might not want to mess with manual settings and I understand that for sure, but I do see that the 7D color temperature can be set manually from 2500–10000 K in 100 K increments.
Less than 2000K: dim, yellowish light, close to candlelight
Yes if left on auto, the camera will set the white balance and not always correctly.
Of course you can preset white balance to any temperature you desire if not on auto.
