> OK, this is a problem because why? Some weeks it works, and other weeks they accomplish more than expected... and this is a problem why?? OP didn't mention i

> OK, this is a problem because why? Some weeks it works, and other weeks they accomplish more than expected... and this is a problem why?? OP didn't mention it but it doesn't take much effort to imagine many weeks will have lower velocity because of influx of support tickets. Management focused on metrics won't be much happy.