Explanation:

- Sentence Context:

The essay is criticized for lacking depth, with a focus on "platitudes."

- Underlined Word:

Platitudes are overused, clichéd statements lacking originality.

- Option 1: Incorrect statements

This suggests factual inaccuracies, which is not the meaning of "platitudes."

- Option 2: Imprecise comments

This implies a lack of clarity, not the repetitive and unoriginal nature of "platitudes."

- Option 3: Often used and unoriginal ideas

This correctly captures the essence of "platitudes," which are stale and overly familiar.

- Option 4: Vague, subjective statements

This suggests a lack of clarity or personal bias, not overuse.