I would object that your experience is actually a good example how to choose a larger scale solution. Start with some RDBMS, and switch once it stops working.

I would object that your experience is actually a good example how to choose a larger scale solution. Start with some RDBMS, and switch once it stops working. I think that's the better way of saying "just use a RDBMS" - "If you're not sure, use an RDBMS to delay a decision until you have more experience and knowledge".