What if Rings of Power’s Sauron is just the most obvious person?

polygon.com:

Alright, let’s play: The Lord of the Rings: The Rings of Power’s Sauron might really be Halbrand (Charlie Vickers) and it might sorta be a missed opportunity if he isn’t. The thought occurred to the Polygon crew during his first scene — wouldn’t it just be interesting if the sole human to survive alongside Galadriel, who pulled her from the Sundering Seas, was Sauron, the big bad she’s been hunting for years and the scourge of (future) Middle-earth?

Though it’s not a theory that consumes us, or even necessarily one that we’ve put much stock into, it has continued to color every scene with him in it. There’s still the outstanding character no one knows much about who looks nefarious in the trailer, and it may not exactly align with the extended lore, what with Galadriel theoretically being able to sense Sauron. But… there’s a vibe. Maybe that charged moment between them with the dagger is (forgive me) a double-edged sword, and actually an indicator of his evilness. Here is the evidence we’ve amassed so far, from context clues to Tolkien lore: