A scene I wanted to address, because I think we need to, because there is some understandable concern over this.
So, Aziraphale's first taste of human food... he goes pretty nuts. He eats it as fast as he can get it down. He can barely stop to breathe. And I can see why that evokes the Greedy Fat Person trope for some.
Given that Gaiman is no fan of fatphobia, I'm pretty sure that's not the intent. But I won't lean on that. I'll go further, and explain what that scene evoked for me, and see if it makes sense to anyone else.
(To preface, I'm a fat person with blood sugar problems who DOES eat like a starving animal and has 0 shame about it. So I'm not just Not Seeing It because of skinny privilege etc. To get that out of the way.)
So first off, of course, it's his first EVER attempt at eating human food. The absolute lack of moderation could be explained by that alone. But I think it's significant that it's specifically meat.
Those who are familiar with the Old Testament know what I mean when I say that God is carnivorous. It's the entire reason he was a bitch to Cain and not to Abel. The Abrahamic god was one of many at the time that accepted burnt animal offerings, before later revisions attempted to wave that away because oops, it sounds too pagan. Flesh of livestock was a common and expected offering, and burning it assured that the smell and smoke and 'essence' would rise to the heavens.
With that in mind, consider what the taste of meat would do to an angel. What it might awaken in them, the first of God's creations?
Maybe it's the monster-lover in me, but I didn't see a fat man gobbling food. I saw an inhuman ancient entity of immense power that only disguises itself as a man, briefly succumbing to a primal and Earthly urge. It wasn't comical to me. It was almost frightening, in a very intentional way. Rarely do we see through the human guise in this series, see just how eldritch these ethereal beings really are, especially Aziraphale. But here he is, ripping almost uncontrollably into the flesh of another life-form with ominous music and thunder overlying the whole scene, and a demon staring at him with intense satisfaction and fascination throughout.
That's what I took from it. If I had to guess, I'd say that's closer to the intent. Again, partly from knowing the author, but also from the way the scene is shot. We're watching an angel partake in literal pleasures of the flesh for the first time, taking formerly living matter into his body. I can totally vibe with Crowley's reaction, tbh.