You wrote:
“I’ve known a multitude of Protestants who don’t fit your storyline.”
I doubt it, but it wouldn’t even be relevant if you did. Remember, what really counts is ProtestantISM, not Protestants. In other words, you can find Protestants who believe anything and everything. What you need are Protestant “churches” that are pro-life. There are some small quasi-pro-life Protestant sects out there (i.e. they oppose abortion in most circumstances, but not across the board and they see nothing wrong with contraception), but I don’t know of a single Protestant denomination in America OF ANY NOTABLE size or age or influence that is ENTIRELY pro-life.
Doubt it all you want. Denominational labels mean nothing to me.