In this video, amit is clearly using hacks. I know it was really laggy but, let me explain. When he was in front of the pigmen he only hit those, when I punched him in a corner, and walked in front of him, he started attacking me, and once I punched him back in front of the pigmen, he went for those. Also, when I said hit name in chat, he never responded.
Proof:

 

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