It's not the ingredients or prep that is hard, it's that you need a carbon steel wok and enough BTUs to keep that wok around 500F even while dropping cold ingredients into it.
Without a carbon steel or cast iron pan and enough constant temp, you won't get the "wok hei" which really affects flavor and texture.
J Kenji Lopez has a great write up on the difficulties of good fried rice at home. https://www.seriouseats.com/2012/06/the-food-lab-for-the-bes...