I'd argue the database falls into that category. The two questions no one seems to ask are 'do I even need a database?', and 'where do I need my database?' Th

I'd argue the database falls into that category. The two questions no one seems to ask are 'do I even need a database?', and 'where do I need my database?' There are alternate data storage 'patterns' that aren't databases. Though ultimately some sort of (Structure) query language gets invented to query them.