here is my question, why would indows diable your ability to NOT accept updates? Think about that for a few. There is an angle and there is a reason they WANT you to update.
There is always an angle. Particularly when it's so heavy handed in one direction.
for years I have screaming updates are pointless. for years Ive run computers with no updates. I went all the way thru Windows XP, and 4-5years now on Windows 7 no issues no problems, no security vulnerabilities and all that other BS they spook you with.
Yes and no.
There are security holes. I can think of quite a few that were there with Win 98 (even though I never suffered them directly on my computers, my parents have). Those and others been well documented by other sources. Some security holes have been around since Win 95 (the same issue in all those operating systems and only was patched I think back in 2014, that's a long time, who knows how many others are around like that? This would also mean that all those Windows systems you ran had this exploit.).
Nothing is ever going to be perfect right out of the gate. My mom was a programmer many moons ago and she said that no matter how much things were tested before they went public, there were always issues found. Combinations that weren't thought of etc. So to think that there aren't going to be bugs to be exploited, I wouldn't advise that. Now, it's a non issue if it's not going to be connected to a network, but it's still there.
I've run a Win 7 computer for about 5 yrs now before I switched it over to Fedora. No antivirus, no updates. Ran fine. No issues. Would I advocate that? Certainly not. Certainly not in a business environment. This rig was just a gaming rig. Even if it doesn't directly have malware affecting, it could still be a typhoid mary and you would never know it.
Now, the biggest thing, is what is in those updates and are they really patching bugs and/or adding something else?
Now, my next question for you is, do you have anti-virus/malware on yours?
If you do, then there is a small belief that there are security vulnerabilities. If there truly wasn't, why invest in anti-virus/malware unless there were vulnerabilities that could be exploited?
For a computer that isn't going to be connected to the internet, absolutely no reason to need to update. If any exploit is going to happen, it's going to happen by you directly or someone physically at the terminal. One of the big reasons why I advocate not having computers online when they are tied to production work. Those computers that are online for communication purposes are separate from the production network and all files etc that are sent are scanned before entering in the production network.