You’re missing the point of the article. The banner is only needed if your business relies on handing over info about the user to 3rd party. And yes, it’s reasonable to make sure user knows about it. The fact that these pop ups are annoying is the fault of the creator, not the regulation.
Try accessing Apple.com or iCloud.com. No cookie pop up, yet one of the most successful businesses in history. You don’t have to be annoying