A deadline borrows force from consequences that should still be understood clearly.

Every date carries an implied threat, and the threat is usually where the pressure actually comes from. When the consequence is real and stated, a deadline organises work sensibly. When it is vague, the urgency floats free and people sprint without knowing what they are avoiding, sometimes at genuine cost to the quality of the thing. Clarity about what happens if the date slips is not an attempt to escape it. It is what makes the date meaningful.

For the next deadline that worries you, ask plainly what follows if it moves by a week. Then decide how hard to push with the real answer in hand.