They sold the business to Asus and they are releasing new NUCs

Almost. a 10db change is a 10x difference in power and roughly 2x difference in perceived loudness

Decibel scale is logarithmic, which means 10db change is reducing perceived volume by half.

I’d have no problem accepting a free car

There are no dumb TVs if you want e.g. OLED. The closest you can get is a smart tv that you never connect to the internet. If you like 4k HDR it will still be a major pain…

I don’t see how an email that has no proof of delivery (could have ended in spam for example) would be legally binding.

Accepting a ToS update simply by virtue of no action is also questionable unless provisions permitting that were in the ToS you’ve accepted and even then it would not work in the European Union, because that’s listed in the forbidden clauses registry.