It's also very much illegal. First, there's no way to actually opt-out of tracking, which is a complete disregard of GDPR basics, since almost all tracking options, including highly invasive options, are marked as mandatory. Secondly, the law requires that opting-out is as easy as opt-ing in -- since you can opt-in with one click you are also legally required to be able to opt-out with one click.

Filing a report with the German data protection authority.