Most of the time people tend to do what their friends do.
The same thing happens when you work with clients. I have heard the argument many times: "We will do it this way because my friend does the same with his company".
They cannot understand that every company is a different case and they cannot understand the evolution of CS and Cloud technologies.
In one of these cases, I had a client who looked at me as if I were a foreigner, an alien when I proposed to have an ELT solution for his company.
Really glad to read this article from