This isn't corporate BS, this is you following up and letting them know you were listening to what they were saying, perhaps continuing a discussion that was ha

This isn't corporate BS, this is you following up and letting them know you were listening to what they were saying, perhaps continuing a discussion that was had or sharing links to some things you talked about. If you can't bother or aren't excited enough to email the people you interviewed with, who will potentially be the people you spend 50% of your waking hours with if you get the job, why bother applying in the first place?