It makes no difference how big your population is, it’s the share of your group amongst the means of cultural production that is important.
Well, the cultural production aspect is definitely true.
Also gays (particularly men, but increasingly women) often have insane amounts of money and are very happy pouring it into politics or using it to pressure the rest of society.
Yes. The left owns the “Cathedral” and are now making inroads into the few last remaining former conservative bastions, such as the military and the purported “Christian” church.