If we stickied every common issue, that would be a lot of pinned posts. Plus, it's not like VSync guarantees full speed, or even helps all that much in my experience.
However, I do think that there should be some sort of tool tips that describe what all of the options do, and what adverse effects they can have, like how Dolphin does it:
I see no issues about this, so you might want to make a new issue
in the GitHub repo (Feel free to reuse my screenshot if you do.).