[haffi112]

What about survivor bias here? Many gay men died of AIDS in the late 20th century, which might affect the numbers significantly.

In any case, I think the right interpretation is that more people are comfortable with reporting their sexuality truthfully and people are more open towards exploring their sexuality.

[antifa]

I can think of two reasons older people are still in the closet.

1.) They aren't in the closet, they just don't share personal things with people like the author.

2.) They remember the one time a university had a cool list of LGBT people and when the Nazi's stole it to use as a kill list.