Cat flaps and dry cat food can undermine the relationship between owner and cat

I know cat flaps are incredibly convenient and so is dry cat food but I think that there are advantages to letting your cat go through the door. There is an interaction. It is a forced interaction but an interaction nonetheless. These moments are calling for to. They also create a dependency by the cat upon the human which I think helps to reinforce the relationship. Dry cat food is too convenient. The human can simply put it into a bowl and forget about it. Cats can come and go as they please. Both parties act independently of the other which I think is not conducive to a close bond.