Is Right-Click Select really used?

Hello, two years ago, I submitted some detailed Feature Requests for Grease Pencil, the most popular being "Grease Pencil Material: Texture Spacing, Angle, & Scatter in Dots/Boxes Mode." It has been the 4th most popular Grease Pencil Feature Request for over a year, but nothing has happened with it. Same goes with the 2nd & 3rd top Feature Requests. The 1st top Feature Request, "Grease pencil - Boolean in Draw mode", has had the status of "In Development" for over 2 years.

Here are my questions:

• Is Right-Click Select really used by the Blender Foundation?
• If so, how are these ideas chosen for implementation?
• Why have no Grease Pencil ideas been implemented from Right-Click Select?

Here are my Grease Pencil feature requests:

1. blender.community/c/rightclickselect/yBdbbc/
2. blender.community/c/rightclickselect/tBdbbc/
3. blender.community/c/rightclickselect/qBdbbc/
4. blender.community/c/rightclickselect/pBdbbc/