The #1 problem with the cookie law is that it's not enforced.

Start fining sites with dark pattern banners and they'll start going away.

I feel like the #1 problem with the cookie law is that the vast majority of websites need to do something in order to comply while keeping their business model and the law hasn't provided a clear direction for how to comply with it.

If they had done that, nobody would be making cookie banners wrong.