Irreduceable Complexity
“Make everything as simple as possible, but not simpler.” – Albert Einstein
In any technical discussion, beware when someone says something is simple. Things are rarely as simple as their marketing materials claim, and there is a vast gulf between a quickly-constructed proof of concept and a production-ready solution.
Even concepts that might seem straightforward at first glance have considerable potential for edge cases and other gotchas. Consider the following as canonical examples:
A corollary to the above: there is no such thing as a “5 minute task” in technology. When you hear such a claim, mentally multiply by 10.