This is different from adoptions in what way?
I know several adopted kids. They are told the truth. Your mom just wasn’t capable of raising you for this or that reason. So we became your parents, because we could give you all the love. It works out well, in the cases I know of.
But there’s something creepy about “mommy just wanted a baby, so she bought some anonymous sperm.”
Adoptions aren’t financial.
These kids are “bought” like commodities.
As an adoptee and adoptive parent, I feel qualified to answer your question. We both know the names of our biological fathers. When I adopted my daughter, I asked questions of her birth mother regarding know health issues of both parents. Just knowing a father's name already brings some form of identity. My german background comes from my birth father, whereas my daughter's biological father was 100% Italian and contributed to her saucy personality ;-)
A few years ago, GMA arranged for a young girl to meet her sperm donor father. The girl was about 16 and she was so excited to FINALLY know her "dad". The meeting took place via a large studio monitor. "Dad" was there with his wife and two little boys. The girl blushed when his face came on the screen and after a series of questions, commented: "Oh, that's where I get my big feet from"! But then the segment took a turn when the moderator asked the man if he had any other children from his 'donations'. "Yes", he responded, "I understand there are more than 100 and I hope they don't all come looking for me", he laughed. The young girl's face became crestfallen. Her joyful blush was replaced with a grimace.
Every one of us has a God-given right to be loved and appreciated.
Donum Vitae - INSTRUCTION ON RESPECT FOR HUMAN LIFE IN ITS ORIGIN AND ON THE DIGNITY OF PROCREATION
with adoption the adopted baby is already there. This is creating a child witht he deliberate purpose of denying it a father.