We have not been that lucky, no. The acquisition of rifters has been a priority for the Venatori almost from the arrival of them to Thedas in the first place; attempts have been made, to varying degrees of success and impact. That is one of the reasons why rifters are not, as we are,

( did she already know petrana was a rifter? not everyone does, any more, )

permitted full independence of Riftwatch, or before that, the Inquisition. We are not obligated to work, but aside from the suffering that the anchor-shards would cause us individually to be separated in the long term, we pose a substantial threat should we fall into enemy hands and it would not be accidental or incidental should it occur.