Title pretty much explains. To satisfy the appetite of those completionists and lore-aholics, I suggest a combined codex for all players could be unlocked with legacy levels and/or credits.
Its enjoyable completing multiple storylines for different classes and getting them all to level 50, but to have to get all the datacrons/codex 8 times over is a bit of overkill.
I guess this would fall under the 'convenience' section on the legacy tab.
Opinions?