So they basically sent her to a stranger in Russia and left her there.
Sounds more like they were just to cowardly to deal with the situation. In a just world, they would be charged for child abandonment as well.
On the other hand, she is now working and studying — maybe she is finally learning responsibility.
“Sofia now lives at a hotel, where she works 60 hours a week. She uses her wages to fund her studies. “
And what if she stayed here, she could be dead of a drug overdose by now — obviously the parents couldn’t control her.