They are not guaranteed, or even likely, to improve your chances for eliciting attraction even from the author, let alone anyone else.

The only thing that "guarantees" eliciting attraction--from me or anyone else--is being attractive. If you write honestly about how you are a person whose interests and values do not intersect with mine, and present it well, I still will not message you. This is not a failure of your writing; it has saved us both some wasted time.