Yeah but the truth isn't as exciting as thinking you can write DJango app to save the NHS. It's far more fun to think you can knock something up with your friends in a few months.
Then requirements start coming in, the stakeholders, the politics. The multi faceted organizations, the disparate teams with never ending edge cases.
3 years later when it's past phase 2 and creaking at the seams, along comes the next upstart... DJango! Which idiot picked that?!!! Me n my friends could....