Dude, Papyrus literally gets one tapped by a child in the genocide route, so no, he would not serve well. Also, you are only sacrificing Sans so Papyrus can go Disbelief, aren't you?
https://youtu.be/S_Fas0QkWic
And no considering there are 7 papyruses there must be six other sanses
Tldr:
It's a meme and your overthinking it just a bit :/