Stajcic was trying to enforce an elite team regime: for example, partners not sleeping with partners in camp. Parents of some younger players raised concerns about senior players “making sexual advances towards them”
Someday, someone's going to write a sociological examination of the whole Don't Ask Don't Tell culture that has grown up about same-sex relationships between élite woman footballers. It's one of those things that "everyone knows about but no-one talks about" (until eg. Katie and Cilla Duncan became media figures)