[cabaalis]

So I googled "And a Pony" and it looks like one of the first uses of it is from a coding horror page in 2006 where the guy is asking all websites to scale down properly for a phone and then scale up properly for a desktop. He's then ridiculed because asking such a thing from websites would be obviously impossible. (Remember: 2006.) It is now of course expected everywhere.

I just think that's interesting in the context of your use here.

https://blog.codinghorror.com/and-a-pony/

[huhtenberg]

That's just a general expression. It's certainly older than 2006 and its context is not related to the IT at all, e.g. see https://english.stackexchange.com/questions/70640/meaning-of...