>>281654184
>what Denji applied here was Makima's philosophy of a necessary evil.
That is not Makima's philosophy at all, that was a lie.
You need to actually read the manga to know that though.

And in Part 2, Death applies this mindset throughout the story, and guess what?
Nothing came out of it, she said it herself, her efforts only made things worse, she killed millions of people including two of her sisters for nothing.