Using Unix is the computing equivalent of listening only to music by David Cassidy.
Data dominates. If you've chosen the right data structures and organized things well, the algorithms will almost always be self-evident. Data structures, not algorithms, are central to programming.
Narrowness of experience leads to narrowness of imagination
Object-oriented design is the roman numerals of computing.
Sockets are the X windows of IO interfaces.
Why would you have a language that is not theoretically exciting? Because it's very useful.