There is an interesting theory on how that happened: https://www.youtube.com/watch?v=EgMqhEMhVV8 https://www.youtube.com/watch?v=EgMqhEMhVV8 Basically Google c

There is an interesting theory on how that happened: https://www.youtube.com/watch?v=EgMqhEMhVV8 https://www.youtube.com/watch?v=EgMqhEMhVV8 Basically Google changed their algorithm to recommend videos based on time watched instead of just views. Which massively favored let's plays because they are so long. They also promote channels based on geographical location. Pewdiepie had an advantage somehow because he had a fanbase in Sweden and moved to Italy. This might also explain parent comment's problem (recommendations favoring let's plays because they are longer.)