That suspiciously high 20% doesn't just include people who are LGB or identify as T. It originates from a poll commissioned by GLAAD, who also included in that

That suspiciously high 20% doesn't just include people who are LGB or identify as T. It originates from a poll commissioned by GLAAD, who also included in that category anyone who described themselves as "gender non-conforming". Which could mean anything really: clothing styles, haircuts, hobbies, etc.