This suggestions conflicts with the advice of the Welcome Thread, which says:
However, it can feel really irritating to get downvoted, especially if one doesn't know why. It happens to all of us sometimes, and it's perfectly acceptable to ask for an explanation. (Sometimes it's the unwritten LW etiquette; we have different norms than other forums.)
The Welcome Thread doesn't set official policy.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.