having the option to change the usually superfluous spider boss in many videogames to something that isn't a spider wouldn't hurt though

It does if the artistic experience attempting to be conveyed relies on the tension created by the scene and the overwhelming creepiness of it

that's the thing though, for severe arachnophobes it isn't "overwhelming creepiness", it's panic attack inducing fear

Like, no one is recutting the film Eight Legged Freaks to replace them with axe murderers because that would negate the entire intended experience of the movie.

Eight legged freaks is literally a film about spiders, and is, you know, a film

And this is coming from a dude who has a small army of spiders