If their parents are retired they’re Boomers. Considering the levels of “got mine, fuck you” attitude and delusions about how they “did it on my own without help” this doesn’t surprise me at all. Not saying this is the entire generation, there are actually very caring Boomers out there. But in general, it’s a pretty pervasive sentiment of today’s retirees.
To save you a click: One was already copied in detail, but oral sex followed by a stabbing through the stomach to the womb, one recorded instance. Two was anally, but some women have small holes in the tissue between the rectum and vagina, the condition affects 1 in 50k women. Third was “splash” pregnancy, which is pretty easy to imagine based on the name alone, listed as very very rare.