[elendilm]

Writing scalable and efficient programs are extremely hard. This matters for serious projects but for small projects, honestly who cares.

[dapperdrake]

The almost all problems are "small", by your standards. Giant market.

[elendilm]

Catering to a giant market is usually when scalability and efficiency problems starts surfacing. People here having a hard time to understand reveals a lot about the kind of work they have undertaken.