We "spike" stuff i.e. do a quick sanity check before we commit to something. A pattern will become apparent there and then if there is one. Sometimes this spike

We "spike" stuff i.e. do a quick sanity check before we commit to something. A pattern will become apparent there and then if there is one. Sometimes this spike is re-factored into the product or is scrapped and rethought. Multiple eyes see every design - that is more important than anything. You can't quantify over-engineering until it is done unfortunately.