Maximize awesomeness, minimize attack surface

When you place something out into the world for general consumption, suddenly you are asked to do a bunch of different things.

But here's the trick: if you do all the things you are asked to do, you'll likely increase of the complexity of your product.  This increases the number of things that people will want to customize or have their way, which will actually increase the number of things you are asked for.  It's a never ending cycle.