The most valuable experience of the successful and the 'great' is before they were famous and to read about their road to success is very interesting.
Not everyone doing exactly the same at different times will get successful. We read about the start-ups in a garage. They were indeed brilliant people doing the right thing at the right time in the right environment. The right time and right environment are essential ingredients of their success.
As long as we see these stories as a source of inspiration to be creative ourselves in our own situation, they can be helpful. If these stories create a huge desire to become enormously rich in a short time, making us unhappy as long we did not achieve that, they work against us.
While it is a reasonable thing to aim high in our life and to aim in the long term for greatness, let us not get lost in the standards social media try to push down our throats. I think positive thinking and a positive attitude towards life can make a significant difference in quality of life. But we have to use the wisdom of the ages, not to be happy in a far away future when we think we will be rich and famous.
We need to apply some simple wisdom to our current life and try to happy in the here and now...