Incidentally I wrote a whole series of blog posts a while ago where I cast a critical eye over the whole n-tier/3-layer architecture and explained why it isn't all that it's made out to be.
Man... I read your blog. It's all true. I find so hard to explain this to Jr devs. They read a lot of best practices, and take it as a religion. Lots of uneeded code is created.
Incidentally I wrote a whole series of blog posts a while ago where I cast a critical eye over the whole n-tier/3-layer architecture and explained why it isn't all that it's made out to be.
https://jamesmckay.net/category/n-tier-deconstructed/