This is currently a known issue. In order to keep the forums tidy and conversations in one place please use this thread to discuss the topic of loot and group composition, we will be closing this current thread. Thank You!
Hello everyone! We appreciate you joining us to play Star Wars™: The Old Republic™, and we hope you enjoy the game. As MMORPGs are large and complex projects, inevitably we do discover issues that may affect gameplay. We're working constantly to fix anything that will affect the player experience, but for now this is our current list of high priority in-game known issues.
UPDATED: April 20th, 2012
Flashpoints and Operations
Hard Mode Flashpoint loot does not currently take group composition into account.