Some people in this world are really quite strange, harboring a blind self-confidence. Even if they have suffered setbacks before, they still firmly believe that it was only because they weren't careful enough that they capsized in the gutter.
The most striking example is someone using a 6x scope AK at 300 meters to take on an M24 with an 8x scope, and even after dying multiple times, the next time they see it, they are still eager to try again.
Standing at the doorway now are these big brothers, clearly ready to go head-to-head with snipers while armed with 6x scope AKs. In fact, they are well aware of their own strength, but they always miscalculate the strength of their opponents and overestimate their moral standards.
The Ion Cannon was fully prepared, and the engineering experts had taken personal control. While they might seem like a younger brother in certain areas, in the field of mechanics, they are a father figure.