I agree, that's a key point in all of this. Maybe Sven prefers Internet porn to the effort of a real personal relationship with Karla.
That too, of course. Much easier, with no complications. As effective as releasing infertile irradiated pest bugs to lead the males astray from their generational requirements.
There is quite a list of maladies that are piling up into a supernode, like deep ocean tsunamis converging on one beach at one time. Folks have little understanding of what may lie ahead. I hope and pray I’m wrong.
The Alienork Way: A cautionary tale for civilized humans facing an Ork invasion
http://gatesofvienna.net/2016/01/the-alienork-way/