It pains me to say it, but I really think it pays dividends to consider the very obvious possibility that the people who are doing this are in general just not socially well-adjusted.

Everything about OpenAI speaks of people who do not put great value on shared human connections, no?

Hey, I like that artist. I am going to train a computer to produce nearly identical work as if by them so I can have as many as I like, to meet my own wishes.

Why is it surprising that it didn't really cross their mind that a virtual girlfriend is not a good look?

This is not an organisation that has the feelings of people central to its mission. It's almost definitionally the opposite.