escaped
Indeed, but if the autocue goes fuzzy, or worst case scenario freezes, as happens, you need to know what you are saying is correct. In this instance, you also have a hard copy you can switch to without losing a word, and many speakers use both in order to vary eye contact or head position. Then, there's using your memory.
It's definitely a skill.
For me, its the entire unfortunate muddling of the word.
I know, I’ve used them, and as you say it’s a skill. It’s easy to get things wrong though however much you practice, and I’ve always found if I was nervous I made more mistakes than if I was speaking ad lib, answering questions etc. at the end. People who don’t give speeches underestimate the skills needed.