I'd rather not have to waste a turn just to keep the character from dying and get nothing of it. It is better to remove the aid and follow the DA path.
I mean, depending on which DA you're talking about, that's kind of how BG3 works already. The combination of resurrection scrolls and the Hooded Skeleton's revival services are similar to the DAO injury system, just that you spend resources to revive characters instead of treating their injuries.
-1 that we shouldn't have the option to stabilize characters in combat. There should be some kind of consequence for character death, so we should be motivated to keep characters alive. The DAO system made sense because there were limited means of reviving a character during combat, which is not true for 5e given healing spells and potions.
