In a B-rated time travel movie, the protagonist finds out after saving Harambe that it was actually Bowies that originally caused the schism. Bowie died in January of that year
The plot is roughly that you have a pharma company invent the cure for liver cancer and Harambe bravely volunteers as a test subject, but you take Haramabes place at last minute as part of an epic twist, thus also solving the grandfather paradox