Rutland was subsumed into a neighbouring county in the reorganisation of Local Authorities in the 1970s. I can't remember which county it became a part of.
The mil tld is still around and fairly common, it's a US-only TLD as it has been since the birth of the DNS system, most normies will definitely rarely see it. Goes back to the days of ARPANET which is the predecessor to the internet, but gubbins of it is still floating around, when what is now the internet was a military-only network. They're usually not accessible from outside the US but there are a bunch of known ones like darpa, norad and others that are also pretty obvious, if you want to pop your dot-mil cherry, though don't be shocked if you end up on a list ;) NGL I'd have thought Tonga, but there you go. Talking about the history of the internet is what I like to do with our grads because apparently they don't learn it in compsci at uni, which annoys me more than a little..
There are many reasons to use a letter code different from your country. Some Danish websites end with .nu, the reason being that nu is Danish for now 🤭
Which part of the word 'react' are you not getting? The lad likes exploring British, Irish and European stuff and is 'reacting' to what he has discovered, having been guided there by recommendations. I recommend that you jog on.
