Ok, I was not going to tell anybody, but now that you let the cat out of the bag........
EVERYTHING YOU READ ON THE WEB, IS NOT ALWAYS TRUE!
I have no idea how the reaction between Dawn, water, aluminum and your Glock, could build up something so toxic that it actually removed the finish? Please, by all means.... post a pic..... This way we can use it as a visual aid or scare tactic to frighten other new Glock owners and save them from the same fate.