Weird that you think parents exclusively parent? Parents parent, and then we also give blood, help elderly parents and grandparents, and volunteer. The flexibility you want to give blood should be given to parents, as well. And then if your elderly parent’s ALF calls saying your mom has a fever and they won’t let her stay there until it’s cleared up, you should be given the flexibility to leave work same as a parent. The flexibility afforded parents to prioritize when their kids are sick and it’s illegal to leave them home alone is not the equivalent to volunteering.