(EDIT: Sorry; the .gif didn't load properly the first time, but it's working now.)
Okay, for the love of all that is good in the world, someone needs to stop this crap. There must be someone who could stop this.
This photo is from Ivynettle, at Letters and Leaves, which you should be reading already. I'm reposting the photo here at PATSP because I found a .gif that expresses my feelings about this sort of thing perfectly:
There are other pictures at the original post, including some hideous spray-painted Echeverias (possibly Graptoveria or Sedeveria or something like that; it's hard to make IDs on that kind of plant when they're their natural color). Ideas for what we should be doing to make this sort of thing stop are welcome. Obviously not buying them is an important first step, so if you have bought or ever will buy one of these dyed or painted plants, please never tell me.