This kind of destructive criticism really doesn't help anyone.

这种消极的批评并不能帮助人。

This is no time for petty and destructive criticism, no time for ill-will or blaming others.

现在不是做出琐碎的破坏性批评的时候，不是心怀恶意或指责他人的时候。

Criticism in this case is destructive.

在这种情况下，批评是破坏性的。