Far as I can tell, someone wrote:
I did some testing with several spoons and cups to attempt to see what
was more accurate with little success.

When I use someone else's recipe, I figure he/she is saying
"This is how much of this particular spice I like in my dinner..."

I VERY rarely use a measuring spoon of any size.

They just aren't needed once you are comfotable in front of a stove.