Netflix has been profitable for years…
It’s also quite frankly impossible to grow forever. Market saturation is a thing, as is the number of atoms you can convert to paper clips.
Nearly everything that's wrong with the current economy and welfare of your average man in the US can be traced in some way to the stock market. Now we have the additional burden of lumping nearly everyone's retirement accounts into that same system. What could possibly go wrong, again?
I read an article probably 20 years ago, about the things that take down profitable companies, and one phrase that stuck with me was "the relentless pursuit of more".
Just the basic fact that an economy that is good for workers, where they are more in demand and make more money, is bad for their retirement because the stock market goes down, is really all you need to know to understand why the stock market is a plague.