Should threads be closed, and deleted if they don't break rules?

The poll is simple. Is closing my thread posted in the picture above, and deleting it for the subsequent reason a misuse of moderator powers?

In conjunction with the above, there are several times where @g u t s has claimed that "I'm a cancer." That he'll "never be cool with me."

In my opinion, there is a clear personal vendetta on his part against me, resulting in the deletion of my thread.

The poll is simple. Is closing my thread posted in the picture above, and deleting it for the subsequent reason a misuse of moderator powers?

In conjunction with the above, there are several times where @g u t s has claimed that "I'm a cancer." That he'll "never be cool with me."

In my opinion, there is a clear personal vendetta on his part against me, resulting in the deletion of my thread.