No gambler going to spend money for fun because they are having no mind for this mostly they are looking for money so It's obviously just done by anyone who is not care about result and have things just for fun.
Gamblers always done their work then put their money because they understand consequences of losing this on wrong way or having things not as they are going but peoples those mostly love to have fun and entertainment done things like these and put money just for fun where they never check about result, but outcome in their favor always give double enjoyment.
Dedication is also important, but It's also had different levels so we are not going to have any lengthy talk about this but still peoples those are involved in gambling never put money for easily gone out of their way.