Comment by UncleMeat

And then we are back to "just leave your friends, family, and life."

This person moved to the US for undergrad, attended grad school, and has been working in the US for like a decade. That's 20 years here. Even if they were only here on H1b for two years, simply moving somewhere else would still be leaving the country they lived in for 12 years. You can surely understand why somebody would be motivated not to do this.