The drug industry drives a lot of it. I'd guess parents of hyper active kids in particular may think something is wrong and are wanting peace and quiet. If the doctor swears it's safe, then game on. Time and scientific progress will tell on any given issue if we were right and I think in almost every case the answer is at best not entirely. However, we'd be fools to completely ignore the best theories available.
On LGBTQ, agendas of intolerance and hate tend to be disingenuous in their attempt to justify definition and support of the significant populations. You need to seek out evidence if you want to be well informed on it.
What I've read is that there is evidence of an evolutionary advantage to homosexuality and the grey areas in between. Humans are a social species depending on support from the family and community unit to perform all the necessary functions of society, especially raising and socializing the kids who are helpless until their early teens. Within just the genetic family unit, there is evidence of an advantage to having dormant or recessive genes that would create adult units that may not reproduce (except for the arranged dutiful marriages meant to produce a male offspring of the past) but do display some of the more feminine and socially supportive traits. These genes may be activated by environmental stressors. These adults may perform supportive roles to the family to improve genetic survival. In child bearing women, too, there is evidence of genetic forces leading to greater fertility rates and more children which may work in sync with other familial genetic trends related to reproduction and support of the offspring.
It's very interesting stuff although maybe still rough theories that would be hard to model. Taking a base stance that evolution has failed when it comes to the LGBTQ community and they are some blight on our species is I believe preceded by simple dislike, disgust, or hate of them.
