I can't quite see why averaging about 100 miles a day might be described as demanding. Some people could beat that on a bicycle.
Well, I can see a possible reason, but it is speculation. I read a paragraph from one article out loud to a non-flying relative. That's not right she said, it's not there.
And what is all this so-called outreach? Do a search for her on a school visit, and it's quite hard to find results.