Yes, building analogies are terrible for coding. A much better analogy is writing. Writing code a lot like writing. You do it by typing documents in an editor

Yes, building analogies are terrible for coding. A much better analogy is writing. Writing code a lot like writing. You do it by typing documents in an editor. You revise them. You might have a written outline first, just an outline in your head, or none at all. Revision is important. Before you publish, it is very helpful to have a few smart people you trust read your work over and tell you what's wrong with it, etc.