Not surprisingly, people who believe that gender is socially constructed think the same of truth. Here’s a report that touches on both points: APA Study Says: “Who Needs Dad?” There’s nothing very complicated about the situation. If you want something to count as true, in judicial proceedings for example, you just generate a lot of expert statements to that effect and—bingo!—it’s accredited as true! The more formalized and detached from common sense expertise becomes, and so the more scientific and beyond criticism it appears, the easier it becomes to carry out such a program. At least that’s true if the goal is something that favors the interests of professionals as a class, like debunking unprofessionalized traditional arrangements (e.g., the family). Why wouldn’t people do this all the time?