Not cool, no way, not then, not now, not ever.
That Yeti is an exaple of over-kill, right?
Purple was used by people to express how 'crazy' they were, "Look at me I'm a crazy mountainbiker, aren't I mad with my purple nuts!!!"
IMO, these people generally aren't that crazy.
A purple Ringle stem may be cool, but is it because its purple or because its a Ringle stem?