It’s a flawed solution because it only works for this specific technology. It only works with full stack web developers because the breadth of the subject matter isn’t too wide.

Sometimes a team has to consist of people who have very different specialities that simply do not intersect and are too burdensome for all team members to gain proficiency in. There is often no budget to split the team or the team is already very small. This article doesn’t offer a solution to that problem.

Example: you’ve got an operations team of four people plus a manager. Most of the company runs on a containerized application using modern open source technologies, but then there’s an important legacy cash cow application that involves an Oracle stack running on Windows VMs. Are you really going to make your Kubernetes/Linux team members learn to operate the Oracle database and Windows servers that your specialists on the team manage? Will they even want to do that work without quitting and working somewhere else?