[lima]

In Germany, this would be illegal without a very explicit opt-in. While the German data protection laws are stricter than the EU ones, this still surprises me to hear.

[usrusr]

What are the chances that you accidentally "consented" in one of the myriad cookie popups clicked away each day?

[Grollicus]

None that would be lawfully binding. For stuff like this content must not be "surprising" or its void and courts interpret this very strictly.