I assume that the parent was referring to the odds of someone LGBTQ being "in the closet", and hiding their status to avoid social penalties (in repressive area

I assume that the parent was referring to the odds of someone LGBTQ being "in the closet", and hiding their status to avoid social penalties (in repressive areas / with family / etc), while still wanting to have a pseudonym-account which in a fairly valid way represents the "real them".