Another example is his sneering at old-fashioned non-user-friendly software tools. It sounds like he's never had the experience of overcoming a really steep learning curve. (And what on Earth does he mean by "programming languages... not updated since the 1970s"? C?)
He must be referring to the multitudes of die-hard ALGOL 60 users.
On Quora: What are some stupid things smart people do? Examples of common types of stupidity that are typical of otherwise very smart people.
Lee Semel's answer in particular would make a great post here: a "to don't" list. You may wish to go through and identify the cognitive bias or biases each is an example of.