It's counterproductive.

Meaning

It has the opposite of the intended effect.

Examples

• John: 'We should increase the workload to meet the deadline.'<br>
• Alice: 'That's <b>counterproductive</b>; it'll lead to burnout and errors.'
• John: 'That's <b>counterproductive</b> in the long run; it'll damage our reputation.'
• Alice: 'Let's cut corners to save costs.'<br>