If I see another IC chip it will be too soon.
2015: Farmers can’t legally fix their own John Deere tractors due to copyright laws
https://theamericangenius.com/business-news/farmers-cant-legally-fix-their-own-john-deere-tractors-due-to-copyright-laws/
March, 2020: Farmers Fight John Deere Over Who Gets to Fix an $800,000 Tractor
https://www.bloomberg.com/news/features/2020-03-05/farmers-fight-john-deere-over-who-gets-to-fix-an-800-000-tractor
Farmers have had to learn to code a long time ago - particularly those that wanted to use a green planter with their red tractor. Dealers typically are no help.