Who's talking about 'the very best'? No disrespect to the author of this game engine, but I'd hardly rank them with the likes of John Carmack. You don't have to be John Carmack to write a game engine, but you do have to devote time and effort to it. Parent is comparing themselves to someone who successfully did a thing, while apparently having not put any effort in to this particular thing, and feeling bad. That doesn't make any sense.