Health- there could be a hundred reasons why they didnt send there. Plus, there are plenty of rabbeim who do send their children to YU.
Shmoel- To quote from einstein’s website, “The Einstein Association of Gays, Lesbians, Bisexuals and Transgenders (EAGLBT) attempts to provide both social and academic support for members of the Einstein LGBT community, as well as educational programming to raise awareness of the clinical and social issues faced in working with LGBT patients and colleagues.” I dont see a problem with this. Its a support group. Thats it.
HaKatan- Whats wrong with a kosher social gathering of men and women?