How is that a problem? It makes the toast delicious and the yolk edible.
As an American, I agree that toast generally does not have things on it, unless in sandwich form.
As an American I say that you've lived a sheltered life! I've eaten all kinds of stuff on toast and not just in sandwich form. Country gravy with sausage, Shit on a Shingle, scrambled eggs and cheese, peanut butter and maple syrup, and lots of other stuff including making sandwiches like bacon egg and cheese.
It really depends on the day what I have, I like variety. This past weekend on Saturday I had eggs scrambled with garlic powder and tomatoes, pork hominado longanisa, and garlic fried rice. A couple weekends before I made homemade Spanish Bread and Pan de Sal (a Filipino style bread), so I had Spanish bread and a glass of milk for breakfast a few days the following week. My wife ate the Pan de Sal with peanut butter and coffee for breakfast that week. Today I had a bowl of Honey Nut Cheerios, 3 slices of bacon, and some iced tea. Tomorrow I'll probably have some yogurt. This coming weekend I think we'll probably do eggs fried over easy, bacon, toast with butter and grape jam (although I usually just do buttered toast and dip it in the egg yolk, so yummy!), and milk.