Number/duration of coffee breaks is hardly "amount of coffee you drink". And I find it hard to believe any software engineer would catch grief for any amount of

Number/duration of coffee breaks is hardly "amount of coffee you drink". And I find it hard to believe any software engineer would catch grief for any amount of time spent away from the desk of their output was measurably above average. So this complaint sounds like it's actually, "I don't get anything done and don't even bother trying to appear busy and my manager tried to talk to me about it".