The second Seasons patch fixed this bug. Sims no longer reset after drinking orangeade, and they gain badge points correctly.
However, a minor bug still remains.
![](http://i239.photobucket.com/albums/ff243/creamgray/The%20Sims%202/borked_orangeade_popup.jpg)
So far it only happened for gold cash register badge. It's not a big deal, as it doesn't affect gaining badge points. Sloppy, though.