Ah yes, the meandering repetition of a motivational speaker: fitting a paragraph worth of content into a page of text followed by a book plug. They decided to become an author, good for them.
Only 1 in 8 billion can be US President every 4 years, a very small sliver can be an astronaut. It’s easy to tell others to drop everything and do their one thing when your one thing is writing stupid blog posts, but not everyone’s thing is equally achievable and being able to drop everything to pursue it is already a luxury very few can afford.