First of all I agree, what purpose does it serve? NO one but NO ONE eats the parsley anyway, unless it's something totally edible, skip it, lose it, don't use it..lol
and WHY would you put ANYTHING on the rim of a plate, bowl, or ANYTHING. That's where most servers hold the plates..lol
and my own personal opinion...it's ugly, makes the plate look dirty and it pisses me off.
Makes me think the Chef is being pretentious and has to window dress the plate because the food won't stand up.
Just my own personal opinion....I won't even shake cocoa powder or powdered sugar on my plates...or make all those silly squiggles with fruit glazes.
I like my plates clean, when I eat or serve.
I will use a bit of a stencil though because that may make a design that's important to the overall design of the plate.
When I was in school, ( just being silly now) I used the glazes, melted chocolate, and all those garnishes to WRITE the Instructor messages as to how much I hated doing that..lol
Well, I guess he did have a sense of humor, I didn't get an A but I did pass with a B..lol