It’s more about the principle. Why is it ok for a manufacturer to remotely disable a feature that was bought & paid for by a decades worth of customers?
Now that they’ve done it once, what’s stopping future attempts to gin up higher profits using the same tactics?
I don’t think anyone here is angry enough to go all Kid Rock on their Sous Vides, but I do think there are plenty who will look at a different brand when it is time for a replacement.