Servant or nanny

In his book Modern Operating Systems, Andrew S. Tanenbaum writes that operating system design follows the need of its users. The reason why a research system (UNIX) cannot behave like a commercial system (Windows) is that professionals need a servant, not a nanny.

But he may not be aware that even professional people would not sit before a UNIX workstation. Rather, they would use a Windows workstation to connect to UNIX. He himself demonstrates this point:

"[What computer do you use?] It is multiboot with MINIX 3, Ubuntu, and Windows XP on it. I actually use it as an X Terminal though logged into a Solaris server […]" – from his website

Is it an indication that people tend to rely on a nanny who takes care of everything of their lives?