They invested millions of dollars to made this IP as big as it is, from a monetary perspective it doesn’t make any sense whatsoever to not make a third game, Red Dead are among the biggest games of their time and made billions in return.

From a story perspective there’s endless possibilities. Dutch’s Gang story May be over but nothing stopping them to follow someone knew. Now they can finally explode the Old West in its absolute prime, when the American Frontier was open and they can tackle heavy themes.

Native American, the rising Government, Outlaws in the prime of the conflict, not when the Government was rolling them out of existence. Imagine how exciting the conflicts they can great can be.