Some people just don't have anything they want to achieve. Others may have that, but due to mortgages, child college funds, or other reasons, just have to make due with having their value extracted from them in an employee role. The most depressing of sights is those that have successfully convinced themselves this is a good parking spot to occupy the rest of their lives.

I'm pretty glad I realized what this article is talking about early on and started planning long term for my own exit, as I knew my tolerance for this was a finite resource that would be continually depleted.