To anyone who said that Project M isn't a real game because it's a mod, you've just insulted the entire Counter-Strike community.
When someone says that Project M is a mod and not its own game, they're probably saying that the people who created Project M didn't create an entirely new game, not that it's bad. Crediting the PM team with creating a new game makes it seem like they created everything, from the engine, characters, and movesets, to the trophies, single-player modes, and stickers. It's more of a clarification than an insult.