(Reuters) -A Moscow court on Monday found Meta Platforms Inc guilty of “extremist activity”, but said its decision would not affect the WhatsApp messenger service, focusing its ire on the company’s already banned Facebook and Instagram social networks. Moscow’s Tverskoi District Court upheld a lawsuit filed by Russian state prosecutors on banning the activities of Meta on Russian territory, the court’s press service said in a statement. Meta did not respond to requests for comment. The U.S. company’s lawyer, Victoria Shagina, had said in court earlier on Monday that Meta was not carrying out e…