Traditionally, poor people did not have the means or access to invest money in an index like S&P.
Most people also aren't equipped to see their savings reduce in real value every month. This is a global phenomenon, not one isolated to first-world subdivisions.
You seem to be mistaking my seeking the reason why people might do what appears [to you and many others] to be such a wildly irrational thing to do. I'm arguing it's not irrational in their case, but one of the most rational things one can do as someone without much means when faced with the ready alternatives. It becomes no surprise.
Most people also aren't equipped to see their savings reduce in real value every month. This is a global phenomenon, not one isolated to first-world subdivisions.
You seem to be mistaking my seeking the reason why people might do what appears [to you and many others] to be such a wildly irrational thing to do. I'm arguing it's not irrational in their case, but one of the most rational things one can do as someone without much means when faced with the ready alternatives. It becomes no surprise.