Why are some people fucking disgusting?

My daughter passed away recently. She was 19 and it's been extremely hard for all of us. We had her cremated and me and my boys watched the whole process. I posted this picture of her from when she was 16. She was in a white dress surrou by flowers. I said idk what happens after we die but this is where I imagine she is. Someone who is a friend of my mom's left a comment saying "I'm not trying to be rude, but she's most likely in hell 😕. I'm sorry for your loss though and hope this is your wakeup call to get right with God and make sure your other kids know our Lord!" Who tf tells someone who's child died that their child is probably in hell?! My daughter was the sweetest person alive and gave to everyone. To tell me my daughter is going to hell because my family doesn't know God is gross. I didn't even need to say anything because everyone else on Facebook got to her first and she deleted her comment. I went to unfriend her but she had already unfriended me. It's been just really bothering me. And I am about to currently receive grief counseling.