Response:
First you say, I quote verbatim, "Also, are those guys genins? Otherwise, how could they be so weak? We know that single chunin can make her bite dust despite surpassing the kids of same age."
Two seconds later, you say meanwhile, "Instant kill" is a term meaning defeating enemy in one attack. I did not say she should murder them. She could have knocked them out or incapacitated them. Even if that would be harder and more dangerous."
First you say, I quote verbatim, "Also, are those guys genins? Otherwise, how could they be so weak? We know that single chunin can make her bite dust despite surpassing the kids of same age."