completely wrong

"當一個人毫無顧及的極盡其一切精力去質疑或抹黑另一個有所顧及的人的時候，所謂的勝敗就不存在懸念了"

Why? If you did nothing wrong, you will not lose. And you are not afraid of rumors and lies.

What do you mean by "所顧及"?

On the other hand, if you did something wrong, just admit and move on.