I was having a talk on a podcast I was a guest on this morning and.........

Going LOCAL on Fonts, emojis and other things.....will just add more files on your hosting, so many people don't really have unlimited storage.
The ones that do...we all know unlimited storage/bandwidth is not truly unlimited storage/bandwidth, correct?

There is an advantage to hosted somewhere else. Just like we all know to not upload videos on our hosting instead go to Youtube, Vimeo, etc.........