i suspect age is a big factor too; the youngest of the trans people i used to know would have been genx-er’s and i’m assuming that the big majority were boomers since the eldest millenials would have been in their early to mid 20’s at the time (circa 2006).

all of them were born and raised somewhere else and migrated to the united states as late teenagers or young adults; so i have little doubt their conservative upbringing for those with happy enough childhoods would have had a big impact.