I don't know if insurance company cares whether you use copay coupons or drugs on their formulary as much as your employer does, because they're the one ultimat

I don't know if insurance company cares whether you use copay coupons or drugs on their formulary as much as your employer does, because they're the one ultimately footing the bill for cost of your meds. Insurance companies and benefit managers try to position them in the middle, so that they would benefit either way.