I have been to a (pen&paper) role-playing con, second biggest in Germany, and went to a panel concerning LTBG issues in the hobby. It expanded into culture and media.
Since I specifically how we should handle the numbers when representing minorities, the consent reply from the panel line was: overrepresent! The Human mind was slow to change and so
overrepresentation was needed (i.e. not just showing 10% of relationships-sex scene with non-hetero-normative partners, but one third or...