Regardless of what your opinion is, using the word crypto to mean crypto currency is already in common use, you can't argue against that.
The collective unconscious decides the meanings of words. Language evolves. I guess the world looks pretty different all the way up on your high horse. This is a battle you have already lost but for some reason insist on continuing to lose.
Language certainly evolves, and personal attacks will get your account banned on HN. Please keep these things separate and edit the latter out of your comments here, regardless of how bad someone else's comment may be.