I’m not crazy about injera, despite eating it more than a dozen times. It has a sour taste that is something some people like and others don’t. The texture is also a little spongy compared to other flatbreads, and it can get soggy when the dishes served on top soak in.
That said, a lot of people love injera! There’s a spot that sells the round elect griddles in the Ethiopian part of town, and they can be used for injera, crêpes or tortillas
I encourage you to still try Ethiopian food even if your friend didn’t like it. 
I eat a wide variety of foods and try things from all around the world. I’ve realized it’s specific dishes, ingredients or perhaps spice combinations within a cuisine I might not like, not the entire cuisine.
There’s a link for the Ethiopian Spaghetti in this thread I might order a take-out Ethiopian Spaghetti some time.
