i dunno, a lot of the time i find the hammering out actions and details difficult but easier than the putting the words themselves together - on the flipside, i think the writing words part gets easier the more planning you do, making the planning bit the harder bit overall. so i spose its the pantsing vs planning dichtomy?
its 'something good' that is subjective here. when people get really serious and ambitious with their writing, perfectionism can set in, and a desire to plan more intensively to make things that are tighter, more engaging, and more original. there are oscar award winning films that can have major and wholly valid writing criticisms thrown at them - on one hand, this shows that something can be good writing and flawed, but it also shows beginning writers (as basically all writers on here are) that there is a lot more to writing than meets the eye.
like, theres a lot. and what you describe - basic plot and backstories - all these writers can do in their sleep. but once ive dreamt up my basic plot and character, i then need to hammer out the concrete plot, the metaphor and motif, the setup and payoff, the interlocking motives, the pacing, the scene by scene - therell be things that dont work, unexpected things you add and beloved things you drop, after workshopping the idea, its not what you expected to be writing. its better. and that is through work.
not everything is written this way, no, every writer also has their flashes of wild inspiration where they get cracking and poop out smth gold, but even those rare things are polished and edited. and theyre usually, like, short.
im not sure what this is referring to? i havent come across anything written like this except - as @wumblebumarts mentioned - role playing games. and admittedly the collaborative writing techniques of rpg are really cool
its hard, but those people are hard workers. its also very rewarding, which ties into why ppl put so much work into it.
because writing is a leisurely activity you can take slowly, making it lower pressure than someone setting themselves strict deadlines, which makes it more enjoyable. smth that you enjoy doesnt feel like work.
personally, writing is a mix of struggle and leisure. the first plot generation can be manic and exciting, the editing into smth cohesive can be gruelling. the thumbnailing and scripting can be painfully hard, but the results are euphoric. theres an awful lot to consider in writing, its a very intricate art - but i like writing, things like pacing and foreshadowing make my brain tick, so it feels less like work, and more like play. but it is hard.