The scientific reality is that if eggs are cooked at a high temperature, they toughen. That might be the objective if you’re making fried eggs, because you need them to be hard enough that you can flip them in the pan without breaking them. But these recipes are tender egg dishes, and the slow cooker treats them kindly.
Other Options
Brunch is a cross between breakfast and brunch, and depending on your emphasis, you can find other appropriate dishes in this book. There are some wonderful potato, sweet potato, and grain recipes that are appropriate at any time of day. If you want more of a lunch than a breakfast, look at some of the one-dish meals. And the dessertscontain many homey dishes that are good for breakfast or brunch.