> The example given at the emit conference was: You have a lot of code running in AWS, but all of a sudden, you would like to start using some nice features around google ML, and for this you need integration with google cloud.

I'm at the conference, and this isn't a great example. You don't need to set up a Google Cloud Function to use the Google ML APIs (or pretty much any Google APIs), you can just use them over the REST API.