It’s not out of malice, but out of grief. Many people idealized Kobe or knew him in someway or another, and most people are extremely sad when a child dies in a horrific way. So all those people are grieving by saying goodbye in these posts, but they don’t know the others in the crash so they don’t want to step on any toes or make false claims about them
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(TITLE FROM REDDIT r/gifs)