Because they're pro-life when it comes to their own lives. Also, any enemy of western civilization is welcome until revolution finally comes around the corner, then they'll just line them all up and shoot them, or so they no doubt fantasize.
The worship of Baal involved child sacrifice.
http://www.baal.com/baal/about/divine_overview.shtml
Many globalists, elites, and liberals worldwide know and love a man by the name of Maurice Strong who was instrumental in establishing Agenda 21 and the father of global warming.
He had a seventy-six thousand acre ranch in Colorado and his wife was reported to be big into baal.