This video from Marques Brownlee is an excellent explanation of how putting computers in everything allows manufacturers to maintain a greater level of control over the after-sale use of their products.
It still bums me out how hard companies like Apple and John Deere are fighting Right to Repair legislation. It is no secret why that is the case. However, it is troubling to see so much effort and money spent on making it harder for users to lengthen their buying cycle. I see the combination of hard-to-get parts, difficult repairs, and purchasing only a license to use a product instead of outright buying it as a particularly toxic one over the long term.