Yes. Every game has cheats. The cheat packages are pretty easy to adapt to new games and people pay money for them.
Why do people cheat? Because it’s fun! If you’ve never cheated it’s honestly worth trying. It’s hilarious. It also utterly ruins the game for everyone else in the lobby.
If games had reliable anti-cheat you’d be shocked at the percentage of lobbies that have a cheater. It’s wildly rampant.