That actually has all the relevance in the world. If you can't even do that, it's like you're telling someone you're an expert mathematician when you don't even know basic algebra and all you can really do is look at numbers and say whether you think something seems right based on your experience.
Experience has nothing to do with good setup creation because most experienced players probably don't know the first thing about how to calculate whether a setup is balanced.
"There is no greater feeling in life than eating cheese." - G[o]dz