I agree with you. One point I'd like to make, there is a big difference between white papers and real applications running production. Architectures are just

I agree with you. One point I'd like to make, there is a big difference between white papers and real applications running production. Architectures are just general guidelines and won't perfectly fit every real world problem. Moreover, part of why Software Eng. are in high demand and well payed is because we have to deal with complexities that real world problems bring with them.