The only issue with this idea is that it really ... doesn't tie in with evolution. Because ultimately, the default state of any organism should be to be attempt

The only issue with this idea is that it really ... doesn't tie in with evolution. Because ultimately, the default state of any organism should be to be attempting to reproduce. But I stress "ultimately", because there's nothing which impels us to think that needs to be the case at all times. Idling can be a successful short-term strategy, even if not in perpetuity.