We all have our preconceived notions of other cultures and on the whole I imagine many Brits think Scandinavians are probably less uptight, sexually speaking, than our fellow countrymen. It is a shame very few Brits read Danish, because this article would make even the most liberal fall off their seats in surprise!
Can you imagine a biology teacher in this country asking the 15 year old boys in his class to spend their morning break in the loos providing sperm samples for them and their classmates to examine under the microscope in class? I think not! :-D