A deeper look at the most used parts of dbt utils

[gwenwindflower]

@JoshuaSmart-Olufemi has written a draft up already. we've asked him to help us test the new questionnaire/outline/templating resource that @johnblust and i are working on, once it's ready. we're holding for now until then, and we can walk this through that process and outlining from there.

previous issue in archived repo is here