Originally Posted by buzzpat

I agree its no biggie. But, it is wasted oxygen. Any FO worth his or her salt takes care of all that stuff. I always make sure before I leave the CP that nothing's on that shouldn't be on. Plus, still about half of the CA's I fly with don't know the responses. They're still trusting me to do it even though I'm reading the checklist as well. I know its not a big deal but its not "best practices" in my book. Empower the FO to do his job and hold him accountable.