The theory that given time everything on the Internet will devolve into poor quality content designed to drive advertisement revenue through clickbait, stolen, and/or inflammatory content.
To see evidence of the InevitableInternet Entropy theory one need look no further than once-lauded sites as The Huffington Post, Slate, and Time.
Spend your entire life working so you can one day lose it all. It is inevitable, you will slowly fade out of consciousness with every memory leaving your mind. Just knowing that you'll never remember your friends and family hits you really hard. Imagine keeping a well-paying job, kids, a wife, and losing it all in an instant. You end up asking yourself, "what's the point" if every single path leads to the same fate. death, death is inevitable