So I ordered another set of RGB keys from unicomp, and see if you can figure out what's unusual with this shift key:

It looks like the molds are not static then. By the way, this is not meant to deride Unicomp's quality or support-- Unicomp makes great products, and I never had any issues with their quality. The support is also awesome.
They're a great company catering to a small and unique market. I just wanted to show that funky shift key because it's neat.