Of course like other forms of discrimination ageism wrt to innovation is just plain wrong.
"Alas, as Goldenson’s experience suggests, the whole premise of youthful innovation isn’t even true. It turns out older people have historically been just as “disruptive” as younger people. A 2005 paper by Benjamin Jones of the National Bureau of Economic Research studied Nobel Prize winners in physics, chemistry, medicine, and economics over the past 100 years, as well as the inventors of revolutionary technologies. Jones found that people in their thirties contributed about 40 percent of the innovations, and those in their forties about 30 percent. People over 50 were responsible for 14 percent, the same share as the twentysomethings. Those under the age of 19 were responsible for exactly nothing. One study found that even over the last ten years—the golden age of the prepubescent coder, the youth-obsessed V.C., and the consumer Internet app—the average age of a founder who could claim paternity for a billion-dollar company was a rickety 34."