Why do people feel the need to glitch in online multiplayer sessions?
They're jerks; ruining the fun for everyone else. This is a recurring problem for the Assassin's Creed multiplayer. Continuous hacks/glitches and even after patches have happened.!
so they can win and or make it more fun or to cheat
So they can cheat and not play the game normally, because they are lazy.
They don't have skill so they cheat