The revelation that she's a Primal was a hard blow, to be sure, though it seems quite likely that she's more along the lines of Shiva - a Primal with a real person inside, guiding her actions. This puts her on a different level than other Primals - not a better level, or worse, but it leaves hope that she may genuinely be the benevolent being she was presented as, and not merely a slave to the "programming" she was originally created with.
Do we even have reason to think Venat still resides in Hydaelyn? Moreover why should we think she isn't tempered, when Elidibus was?