or don't play it. you not need interact with tombstones/grave markers or the easily identified backer npcs, however, if the mere knowledge that such things exist prevents you from becoming, "immersed and lost in the world," then don't play it.
'course bg and bg2, inspirations for poe, had numerous chuckle-worthy grave markers, and more than a few npcs that depended 'pon pop culture references to makes their low-brow humor work. so, am guessing you will wanna avoid those games as well.
HA! Good Fun!
Comparing the minor instances present in the BG series to this is folly, Al Swearengen would be ashamed of such foolishness.