It is all about the moral and cultural issues facing us. Framing everything as a “legal” issue is not very helpful. It is wrong to kill babies. That speaks to our moral character.
Life is sacred and important. That needs to be the reference point in our culture.
Seen in that light, abortion critics erred by promoting the relatively weak argument that the videos show Planned Parenthood officials engaged in illegal organ harvesting, rather than unseemly conversation and immoral actions, legal or not. Once defenders of the group decided the claim of illegal activity wasn’t true, they tuned out, dismissing the controversy as a frame job.
Critics of abortion rights might have influenced more people who didn’t agree with them by dialing back moral instruction (“You are flawed if you don’t react as I do to this”) in favor of a request to have their values acknowledged (“Please consider my profound moral objections to the practices depicted here”).