We have kept this logic even when you change the side bar from left to right. The single arrows are always inside and the double outside. A little more effort is required for a double than for a single, assuming you start from a center pen position. Making a suggestion means taking a chance of it being rejected, and it's easier to just not say anything.
Suggestions are always welcome.
Sometimes it takes time to understand the value of a suggestion. At other times, discussing an idea brings other ones.