[wrkronmiller]

This way of thinking is founded upon the notion that blissful ignorance is something societies should strive towards.

Without unfulfilled desires, there is no room for self-actualization. See: Maslow’s Hierarchy of Needs

[bsanr2]

This is less about what one should want for oneself than what one owes others whose lives they are disrupting with their presence. If you take someone's innocence, you have a moral obligation to their mental well-being.