Enamel cracks, crazes, chips, is sensitive to thermal shock, stains, not dishwasher safe.
I can use metal utensils without fear of scratches. Outside of looks, I don't find enamel brings any benefits to the table.
A non Asian slaw I like is a sweet and sour dressing without oil. It's based in a simple syrup of rice vinegar and sugar thickened with corn starch at the finish of the boiling. It should work equally well with music cham or what you're doing here.
It will stick to your veggies.