Is AUTHOR wrong in the post ? POST : A little bit of backstory. My dad was given up for adoption when he was 3 weeks old. He was quickly taken into a big loving family that raised him his whole life and gave him a normal life. I never got to meet my grandpa who raised him and his mother died when I was 5. My dad and mom have been happily married for 25 years now and at some point 35 or so years ago his biological parents made contact with him. Fast forward to today i'm extremely happy in college and my parents have a company. As far as my relationship with my biological grandparents i kinda just consider as strangers who sends me 20$ on my birthday and I have met I think 3 times. 

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Anyways I was talking to some friends and my friend asked if they would be coming to my grad. I told him of course not they haven't seen my graduate high school came to my sporting events or met any of my girlfriends and as far as i'm concerned I wouldn't care if i don't hear from them again till one of them dies. They said it was a bit harsh since I wouldn't be alive if it wasn't for them

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AITA?

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