Well, I think we can all say that the report was flawed and should largely be ignored.
Please do make your cookies for 90 days and overwriteable by another aff cookie. I know you are new to the industry, but the current set up allows for some affiliates to gain an unfair advantage and monopolize the acquisition of Rome players. We have such cases in history.
Other than that, I don’t see a problem.
In the case of the tester with the cleared cookie plus dynamic IP – unfortunately we do lose players with this going on everywhere.