Kurzgesagt, The Star That Shouldn’t Exist.

Kurzgesagt, Black Hole Star – The Star That Shouldn’t Exist, 2022, https://www.youtube.com/watch?v=aeWyp2vXxqA.

Premise: Supermassive stars may have existed in the early universe which created and force fed internal black holes, explaining why we see black holes that seem to be too large to exist.