This sounds like something that https://twitter.com/internetofshit would repost
Maybe the firmware is important for the dishwasher though, but it should still function without it. I imagine a dystopian future where some society fails for some reason and internet stop being reliable. So much of our technology is dependent on it to work.
It could be war, it could be solar winds or even more likely that the manufacturer goes out of business and closes down their servers.
This is just pretty bad and I think most of us can agree. Nothing will ever change though since you pretty much don't know about this until it happens to you.