Watching RESCENE makes me think that luck is 90% of the game

‌To be honest, there were many idols with better visuals or vocals, but they struggled and eventually disbanded.
And in reality, the members were close to being unknown; they didn't blow up because their songs were good, but because of YouTube. If they were destined to succeed, the reaction would have been different from the start. They grew purely due to the scale of YouTube, and if YouTube had exploded 1 or 2 years later, there's a high possibility they would have disbanded. Compared to the past, they seem to be in a position similar to Sugar.
The YouTube PD is a true savior, worth billions of won. When it comes to human destiny, you obviously have to do the basics, but I think it's all down to luck.