Rule 2 is absolutely wrong.
Topside ground doesn't count as RF ground.
The RF ground is the plane used as the reference for your microstrip or stripline traces.
Device ground pins need to be connected to the RF ground plane with the lowest inductance possible.
This means multiple vias directly to the ground plane.
Forget about topside ground - it's worthless for RF.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...