Back in 2010, I used to be a big fan of many world interpretation (and its lax version in popsci, which allow the copies to interact (hence the term parallel universe)),
but then somewhere in 2012, I found that the interpretation has some issues (such as energy conservation given so many universes are produced every second and (forgot hierachial or something problem).
Its lax version suffer even more. From analysing more than 30 works of time travel in novels, games, and other media, I found that it is simply WAY TOO MAELABLE and hence PRACTICALLY UNFALSIFIABLE to be useful in prediction …