Because fake news!

Swedish and Norwegian newspapers announced on Friday that they would refrain from the tradition of publishing April Fools' Day jokes this year over fears that it might spread "fake news".
"Historically, we've had super successful April Fools jokes. But because of debates and discussions about the media's credibility being connected to fake news, we didn't want to do it this year," Ingvar Näslund, editor-in-chief at Västerbottens-Kuriren told Swedish news agency TT.
https://www.thelocal.se/20170331/swedish...-fake-news

Swedish and Norwegian newspapers announced on Friday that they would refrain from the tradition of publishing April Fools' Day jokes this year over fears that it might spread "fake news".
"Historically, we've had super successful April Fools jokes. But because of debates and discussions about the media's credibility being connected to fake news, we didn't want to do it this year," Ingvar Näslund, editor-in-chief at Västerbottens-Kuriren told Swedish news agency TT.
https://www.thelocal.se/20170331/swedish...-fake-news