That could be worded as “things that seem terrible to us, actually aren’t, our understanding is just limited” or something along those lines, to make it a somewhat valid sounding argument. Obviously though that would still make any god shitty for giving us the ability to perceive the suffering, so it’s basically “god is evil” end result as well
They’re actually pretty beneficial (eating other more annoying bugs and all that) and usually not harmful to human residents in any way (except if you live in Australia). Killing them because “aah yuck spiders!” isn’t a good enough reason to many