Good for you as to your honesty! My guess is the person cutting your yardage isn't a sewer, & got confused about what a yard is...or perhaps they had just cut some home dec. & read the 60"...& still had that in their head.
I have gotten fabric from Joann's online where they sent multiple cuts of a single yardage order. I don't know why they can't call you or email to ask if you would accept it that way first. In this case, it was for backs where I wanted a single yardage...they may have taken it back, but since the sale was over, I couldn't replace it. The other issue I had for that big order was although they showed several of the fabrics in stock when I paid, they didn't ship 4 out of 11 fabrics & stated "out of stock". I was rather surprised, since several of the other fabrics already showed "out of stock" that I had wanted; & prevented me from ordering those. Just learned a lesson where Joann's online is concerned...if it's on sale, get it locally if you can, don't count on getting it, just because you ordered it.