Huh? They give millions of dollars to global humanitarian development funds saving at least 50,000 lives per year. Maybe you’re taking a few kooks who have a controversial lecture somewhere as representing everyone else.
"shunned" in particular is a really strong word, e.g, global health and biosecurity are two of the named categories at the most central EA events:
https://www.effectivealtruism.org/ea-global/events/ea-global...