This being obsidian I'm sure there will be some sort of speech skill equivalent used for quest resolutions, so I'd like to make a simple appeal:
Please don't reduce it to picking weirdly marked dialogue lines and a skill check.
In case you need more elaboration the point is made far better below:
The implementation of forms of persuasion has gone from being great hallmark of Fallout series to a joke of a skill-check barred instant-win single dialogue lines in your recent games.
You are a better developer than that.
Thank you, that is all.