Another point. Massdrop keycap group buys are when a designer gets a set manufactured by one of the well known companies. Shine-through isn't as "classy" as the solid colors (in quotes because that's an opinion held by people).
Well known keycap sets are known for their color combinations, and you lose that when you make the legends translucent plastic.
Nautilus (blue, yellow, cyan)
Carbon (orange, black, white)
Red samurai (red, gold, black)