Look, you can be as pro-life as you want to be, but this law isn't likely to go over in a swing state. There is such a thing as pushing so hard, so fast on this that the median state position ends up more pro-choice than Roe.
Extreme Republican is behaving exactly how you'd expect someone to behave who actually does think that fetuses and embryos are morally equivalent to born humans.
The fact that more GOP types don't share his reaction says that most of them don't really believe that in their heart of hearts.