Survivorship bias in the start-up world makes it difficult to learn from other people's mistakes.
Most advice you get comes from people who have overcome incredible odds and have also been extremely lucky. Success stories rarely seem to discuss higher than normal divorce rates among entrepreneurs or how most successful entrepreneurs rely on family or spouse to support them.
Rock bands are the same way. You mostly hear from magical bands that have been very lucky, had solid connection and are mostly competent. You sometimes even hear about bands that were unsung in their day and are re-discovered later. You rarely hear about the bands that kick around their hometown for 15 years and for some reason or other fail to build a substantial following.