I mean, it is fiction, so of course you can just pick and choose what you engage with. But, it is pretty common to leave hints of backstory and future stuff. It is nice because you can fill in the blanks. “Happily ever after” can be as nice as you imagine.

Or the author goes off the deep end and starts getting better known for political rants. Subsequently it may be hard to enjoy their older works as you are looking for signs of what will develop…