It would be hard to think of anything, short of mutilation or murder, that could more comprehensively ruin a 14 year old girl’s life than becoming pregnant.
Even if she avoids pregnancy, the chances that she will ever finish her education, have a meaningful career or build stable adult relationships are greatly diminished.
Twenty-seven year old men who drive a 1000 miles to run off with underaged girls are, imho, creeps.
This type of thing has always been common. There’s a disconnect with how permissive parents are with their daughters these days then how everyone in America freaks when the results come in. Getting pregnant at 14 is hard on the body but not uncommon. This is nature in action. Don’t act so shocked and surprised. Getting an advanced education and high paying career and not having children is not for every girl. In fact it’s not at all what’s supposed to happen.
Ruin, in what sense? Not everyone needs or wants to live the standard middle American dream. If it is a genuine relationship, I probably wouldn't object here. Judging by the looks of the pair, they deserve each other.