If we go one step further… this is why we buy stuff from other people and firms - because they specialise in stuff that we can then allocate resources on stuff

If we go one step further… this is why we buy stuff from other people and firms - because they specialise in stuff that we can then allocate resources on stuff that we are better at ourselves. Henceforth the idea that all these SaaS firms disappear due to firms replicating their products internally is stupid.