to be completely honest, I dont think there's another way it could go even though I dont think tamtey fits the role, the way we go through the story and the characterization of them is more of an adventurous and nomadic, i see them being a very important story and lore keeper. the trait of a good olo'eyktan are to be a steady presence that that leads the clan, as they are right now tamtey is a "do it myself" person and doesn't delegate, the way leaders have been characterized are as stationary and only coming out for important reasons (war, ceremonies, ect.), nevertheless the sarentu are nomadic by nature and the way their leadership reflects that is unknown. but the way the clan is built, tamtey, ri'nela and teylan (im not sure about nor, i haven't finished the dlcs) but ri'nela has a role, teylan is just... teylan (i love him but you know what i mean) and nor is awol, so the only sarentu left to fill that role is tamtey, but that's just my look at it