it's just rare. if traps are 0.1% of the population, still cute traps are 1% of traps, and people who'd make and post porn are 1% of the population. aside from a handful of people, the only ones who end up doing it is old and busted trannies who need to feel sexy and need money for more hrt and operations.
anyway here's a qt who has some gifs of his bf fucking him
https://rayraysugarbutt.tumblr.com/