How that really works is you start and you think it’s not so bad. Then there’s a phone call you have to deal with. You get back to it. Then something fucks up and somebody shows up with an emergency. Then you get back to your pile. Then some small tasks unavoidably swallows your whole afternoon and you end a day with a bigger pile than you started with.

It depends on the fantasy or sci fi. Good fiction is good fiction in any setting. And good fiction can provide insights into the hear and now now matter the setting. Sometimes a removed or artificial setting can allow an author more freedom to explore the big questions of this world or to explore what it means to be human.