Not to mention, missionaries are exploitative. They're trying to harvest souls for God or (failing the appearance of God to accept their bounty) to expand the influence of their earthbound church.

The end result of missionary activity is often something like https://www.theguardian.com/world/video/2014/feb/25/us-evang... .

Bottom line, "But... but I'm like a missionary!" isn't my go-to argument when I'm trying to convince people that my own motives are purer than my rival's.