Most likely because France was the center of fashion for centuries...

A great many sewing techniques and tools. fabrics and laces came from there. A set of French curve rulers is essential for drafting patterns to sew garments....
French seams are still the nicest way to have a finished seam...

And then there is French Heirloom sewing...a method of creating a fine rolled hem on pieces of batiste while joining it to lace insertion at the same time... been there...done that...and you definitely have to keep washing your hands while doing it. The chalk would have helped...
My journey into sculpting started with creating antique reproduction porcelain dolls that required historically correct costuming...