First, they are amoral and choose to make money off the ending of human life. Others must do this as a way to deny that the life they are ending is "human" not a puppy, kitty or even "tissue."
How else do they hope to keep the idea in people's heads (especially teens) that what they are doing is NOT ending life but "preventing unwanted pregnancies" and thus eliminating "difficult situations."
What do lawyers call it? Something about “negligence”, maybe “reckless negligence”, to shoot at movement in the brush when you don’t know if it’s a human being or a deer.
This is the same - if you don’t know when it is a human being, you have no right to kill it.