[mrweasel]

The issue is that Go comes with enough included in the standard library that it could be considered a web framework. If you're just build a few rest endpoint or a simply site, you may not need to leave the standard library.

Compare that to a language like Python or Ruby, where you need something "extra" to make it easier to do a web application. You could certainly do with just the standard library in other languages, but very few would choose that option, because it would involve write a lot of additional code.

I think it fair to include Go, because it's a language/programming environment, that comes with it's one built in web framework. A framework that's actually advanced enough that many don't need to look else where.