That is a valid point. However, there are many campaigns that are no longer active or have relevance. The learnings from that can be made public.
Alternatively if someone has the expertise in this field can start a new campaign and show how a campaign should be built for a new product. I am sure there will be a wide audience which will be willing to pay significant amount of money to learn from this.
Alternatively if someone has the expertise in this field can start a new campaign and show how a campaign should be built for a new product. I am sure there will be a wide audience which will be willing to pay significant amount of money to learn from this.