This reminds me of the "Think Different" ad that Steve Jobs totally took complete credit for, but it was actually from an ad agency as well.
https://www.forbes.com/sites/onmarketing/2011/12/14/the-real...
He makes the case that some of the quotes from the Isaacson biography aren't true, like this one:
"Jobs, who could identify with each of those sentiments, wrote some of the lines himself, including “They push the human race forward."
Edit: Yes, I'm agreeing with you..