It’s much better to have two or three engineers who can design at this high level, working on well-defined but isolated pieces of functionality, than it is to have a large, mixed team. It’s hard to have some team members coding like this and others coding by hand, and it’s impossible to mix that in one repo. The models aren’t trusted - code has to... See more

In product-mode, will we end up with new, business-capability aligned silos such as catalog, order management, payment and fulfillment? Perhaps, but they are nowhere as bad as activity-oriented silos. Product-mode teams, being outcome-oriented, may at worst result in silos that still work towards a business outcome.