I made no claims as to extremeness
Would you like to?
You are basically a missionary: you see savages engage in horrifying practices AND they lose their soul in the process. The situation looks like it calls for extreme measures.
I'm not interested in putting forward a positive claim of extremeness (I prefer other phrasing, e.g. that I'm making big, important claims with major implications), but I'm also not very interested in denying it. I hope we can agree that accusations of "extremism" are not critical arguments and are commonly used as a smear. I like Ayn Rand's essay on this: https://campus.aynrand.org/works/1964/09/01/extremism-or-the-art-of-smearing/page1
As to extreme measures: I absolutely do not advocate the initiation of force. But I'm willing to make intellect...