I'm just curious to why, when closing a question, for some of them I see the reason "This question belongs on another site in the Stack Exchange network" and for other questions it doesn't.
Here is an example.
How to validate quantity being added to cart from frontend? - this one has 'This question belongs on another site in the Stack Exchange network'. Chosen at random (please don't close it unless you have a legit reason)
system.xml field dependency - this one doesn't. (this one is mine, but the fact that is mine has nothing to do with it. I've seen it on others.)