https://www.reuters.com/article/us-tech-antitrust-facebook-ftc/analysis-u-s-blessing-facebook-deals-complicates-lawsuit-demanding-instagram-sale-idUSKBN28K2YU

A U.S. lawsuit that could lead to the break-up of Facebook Inc's social media empire may be hindered by the government's role in the company's monopoly building, and a recent dearth of similar cases, legal experts said.