Misbehavior on digital platforms can be tricky to manage. Issue warnings, and you risk not deterring bad behavior. Block too readily, and you might drive away your user base and open yourself to ...

A gaming platform used by nearly 400 million people a month is in turmoil after the company that owns it banned a user who goes by the name Schlep. It’s unclear why the user, a 22-year-old Texan, ...