As noble as it is, the message has been out there, quite strongly, for decades. If a small minority have managed to ignore everything which has gone before, I doubt this is going to make much difference. There will always be a small element of prejudice in society.
Again, it depends whether you mean the group or the statement. If CiN had a stated aim to criminalise abortion, I wouldn’t support them but that wouldn’t mean I want children to suffer.