My daughter's friend is gonna die

My daughter is extremely traumatized rn. She is 16 and has been attending part time college classes all year. She made friends with this guy who was 20. It was completely platonic. I know that for a fact because my daughter was 1000% not his type if you get my drift. That being her age and the fact that she's female. I've met him. Great person. They both had several classes together. Last Wednesday she called me crying at school because she had noticed he looked sick and pale. They were sitting in class and he had a seizure in class and everyone was panicking. The teacher didn't know what to do and all the color drained from his face. They called emsa and he went to the hospital. My daughter and several of his classmates went to visit him. He wasn't just friends with her some 16 year old girl. He was friends with a lot of the students. She had been trying to keep an update with his parents. Today his parents decided to take him off life support. He's an organ donor so he's donating his organs to 4 different people in the hospital. They are pulling the plug in an hour and my daughter is going to the donor ceremony where the hospital lifts the donor flag before they remove their organs. She is hurting a lot about the situation and I want to support her best I can.

Another thing I need advice on is she is very upset at his parents for "killing him". I want to gently explain to her thats noy what they did. He's beem on life support a week.