I can't imagine the casinos haven't thought of this; some reasons they might not do it: - People already think "the longer I've played without winning, the gre

I can't imagine the casinos haven't thought of this; some reasons they might not do it: - People already think "the longer I've played without winning, the greater the chance I'll win now, because I'm 'due'", so there's no need to actually alter the odds (which would cost money) - Or, maybe they're just afraid that people collapsing and dying at the slot machines (of dehydration, starvation, or exhaustion) would lead to bad publicity and more stringent regulation.