What else do you expect, given the economic incentives on one side, and the immaturity of the discipline on the other? Writing robust software requires time, money and competence, in a purely empirical approach, since we have no fundamental theory of software. The pressure is for quantity and features in minimum time. The approaches are incompatible, and economics win every time.

Which is where the unserious emerges but in a subtle way; taking such unserious things so seriously is not serious behavior. It's anxious and paranoid, aloof and clueless behavior.

Secure in tech skills but unserious otherwise.

Lacking a broad set of skills will make office workers unable to grow a potato inherently paranoid about their job.