You don’t need to share your theories on someone’s death to the world. It’s not your place and serves no purpose.
When I had a friend that was well-known in the tech world pass, all sorts of people came out with conspiracy theories on what his “real” cause of death was. To the bereaved, coming across random theories just hurts. Outside of that, opining without any medical expertise or insights on how he died serves no one but your own ego