Some of us just enjoyed his music and acting. The guy had operatic talent that he applied to well written and orchestrated rock and roll and acted creditably in a few memorable films. In the context of this website, it helps that he was a vocal Conservative when interviewers asked about his politics. It’s not necessarily “worship” when you simply enjoyed, and are saddened with the passing of, an entertainer with genuine talent and who came across as someone you could share a beer or two with.
That sounds like a reasonable balanced response to a man who’s voice and antics reached a receptive cord in your hypothalamus.
That brings up a broader , more curious phenomena. Its been speculated that a male voice sung through an electric amplifier seems to have a very curious effect on some women who attend such events. These women are often driven into a frenzy and openly seek to copulate with these singers. If they met them on the street, they would not give them the time of day. So very little is known about the biochemistry of human thought, that dictates behavior and just what external stimuli or physical forces affect it.