I'm sorry, but that is just not an acceptable excuse in this case. I acknowledge that ageism is real, but I've also worked in companies where we went out of our way to hire older engineers.
That said, the article makes it sound like this guy has been out of work for close to a decade or more. Maybe he can't get a cutting-edge IT or engineering job, but he could do tech-support, an entry-level job, or even drive for Uber or a taxi.