Carefully vetted for revenue sharing, most likely.
https://primerica.com/public/Revenue-Sharing.pdf
Every firm does it, not just yours. It just 'sounds' so much better to talk about vetting when it can really be about revenue sharing.
that would only be part of it. Even our logo is about the intertwined interests of co, agents & clients. Products & services have to be good for all 3! That is deeply imbedded part of our culture.