I don't think Bandai is purposely messing it up, they are probably just not as knowledgeable about "what color the missile tips should be", as some of the gurus on MW.
Just remember there are all types of fans. For some fans like me who have followed since the mid-80's, my eyes don't catch some of these subtle differences, like a red arrow or a black arrow. They are really too small to make a big difference to me. Unless someone points it out, I would never catch it.
But when I see Fast Packs are white instead of grey, even I cringe.