It has at least one psychological use. For many it is a vehicle of self-deception, wherein they persuade themselves they are in the purportedly honourable class

It has at least one psychological use. For many it is a vehicle of self-deception, wherein they persuade themselves they are in the purportedly honourable class of investors, connoting productive use of wealth. They must understand somewhere underneath the fakery that they are speculators/gamblers.