[airstrike]

They are different tools. Spreadsheets allow for much faster iteration than SQL.

Following some strict "best practices" when using spreadsheets gets you 80% of the way there. The other 20% is functionality that doesn't exist yet, but can be done.

[bluGill]

For sure, but business runs on spreadsheets and most of them are places where SQL is clearly a better fit. Complex iteration is faster in SQL as well, though for simple problem sets spreadsheets are faster.