Falling Blocks (Sand/Gravel) replace snow layers (8 Layered)

Falling sand will replace snow layers as intended, but also does this for 8 layers of snow which makes up a full block.

Shouldn't 8 layers of snow be treated as a full block instead of replacing it?

Visual demo here:
https://youtu.be/qHwFlH_qvy0

Additional:
Appears in 1.8 too