To be fair, sometimes it's not unreasonable. There is a huge difference between being in an often tiny team smashing out code to get a product out the door and leading multiple teams specialising in multiple different disciplines.

There's also a huge difference between being able to architect a piece of software and being able to work out a 5 year technology roadmap, manage budgets, analyse the competitive landscape, manage multiple stakeholders etc...

For some people that difference is the difference between having an enjoyable job and absolutely hating going to work...