"but if they become Evangelicals, they become more conservative and pro-life."
Less than half of them.
No. the majority of Hispanics are Catholics.
The vast majority of Hispanic immigrants arrive as Catholic.
If they become Evangelical they also become more pro-life and politically conservative voters.
Why does that bother you?
People who are pro-life and pro-marriage, and conservative, should be dancing in the streets at this news, it shows a path to reversing the pro-abortion, leftist gains of the democrat party through Catholic immigration.