Okay, I was being a bit facetious, I admit :)

In practice I don't consider it an anti-pattern to include icons in fonts. Fonts are designed in such a way that they're pretty convenient to use for icons.

There are of course other approaches now available, and they should probably be used preferentially. But it's much like complaining here that you have blocked images, and therefore can't see any images. It's your choice, and I'm glad you have it, but…