Inconsistency in Resin Brick Stairs crafting recipe

The resin brick stairs are made with 6 blocks like other stairs, but instead of 4 stairs we only get 1, which is inconsistent with other stairs types.

 

How to Reproduce:

1. Open Minecarft Preview 1.21.50.25
2. Create a new world
3. Get some Resin Brick Blocks
4. Open a crafting and try to craft Resin Brick Stairs
5. Look at input and output of recipe