It is the name so that it is known the password number that parents use to block audiovisual content to their children on TV, computers, cell phones, . . . By association, some politicians (advised by advertisers) use it as an equivalent for "express parental authorization for their children's activities outside the home", which may include schools, clubs, hospitals, . . . View pin , parental .
Parental pin means giving parents the opportunity to make conscientious objections to certain subjects taught in schools. The issue of gender diversity gives vertigo to certain political classes because they think that explaining the current sexual normality of boy-boy-girl-girl relationships can cause their sons or daughters to become homosexual steers overnight and that therefore you have to spend later on doctors to cure that homosexuality. A shame that in the middle of the twentieth century you think so.