It takes over two thirds of the article to get to the actually relevant advice: spend less, invest the difference.

Kissing ass at work might help you but not nearly as much as this two ideas.

It's a prerequisite to having an investable level of wealth though. If you're working minimum wage and you can only invest $10/week, compound interest won't get you anywhere. (Which is one reason why gambling with shitcoins promising 1000x returns is/was so popular.)