What is different from doing it on the crafting table
You can get a masen with the table and with that you can get Emeralds which helps you with a speed run.
What is measles
I don't know if I wrote it correctly, but you can trade clay for Emeralds with him
You need fewer raw materials e.g. You get 6 stairs for 6 quarry stone instead of just 4 as in the workbench. In addition, you only need a single block to make things with the workbench you need several blocks (e.g. 3 for steps)
You can also use the block as a decoration