Because acceptance was all he ever wanted. When he was invited to return & became inducted into the Hall Of Fame- he’d waited a couple decades for that. His youth was over, but he’d come home. Coming full-circle is important to people who are misunderstood. And, he was literally ready to die, after these moments.
He knew his time was almost up, and I'm sure a lot people in attendance that night could tell that he wasn't looking well. If you listen to what he said on RAW, it's was pretty much him giving his own eulogy.
