Cobblestone cannot be replaced by blackstone or cobbled deepslate in some recipes

It's intended that Blackstone can be used as a substitute to Cobblestone only in the Furnace recipe and stone tools recipes, as hinted by item tags introduced in 20w15a

furnace_materials
stone_tool_materials

Blackstone is not a substitute for Cobblestone in any other recipe.

I think that's a fallacious "that's how the game is" argument. It's inconsistent and strange from a gameplay standpoint that blackstone can't be used in these cobblestone based recipes, especially the brewing stand.

Good bug report! Although can you remove the sticky piston part because the actual recipe for sticky pistons doesn't require cobblestone just the piston (which I agree isn't craftable with black stone) and a slimeball

Is there any logical reason why blackstone would be able to make a furnace but not a brewing stand? I know Minecraft is a weird, unrealistic game, but its internal logic should at least be consistent.

In my report I forgot to mention chiseled Blackstone is missing in the crafting of lodestones, is it too late to add as it might get ignored or will I get in trouble if I make another post (which would be a duplicate?)

Ok, then why this issue resolved by "Works as Intended"?

Excuse me but why is this intended? 

Matthew Tanner Lawley The devs never said that blackstone is a full replacement for cobblestone. In the changelog it only says that you can use it for crafting stone tools and furnaces, but other recipes were never mentioned.

This was resolved as Working as Intended since the implementation in the game matches the intention of the developers for this feature.

Brewing Stand can be crafted by blackstone in 1.16.2 and by cobbled deepslate in 1.17.
Therefore Brewing Stand can remove from the list.