So you are telling me Apple is not going to phase out MacOS support for Intel based Mac's and that process hasn't already started?
I feel like you are taking my words personally and I am not trying to offend you by saying that your hardware is obsolete. I don't mean it sucks or doesn't work and that it won't continue working well after Apple pulls official MacOS support or updates. I just mean that Intel is an architecture soon to be abandon by Apple. I have been on that roller coaster before and I won't ever get on that ride again. So it is a personal thing and my projection of what I feel Apple will do sooner rather than later if history has any bearing on the present?
Other people are tinkerers and love a challenge. Some like to keep a Mac or PC going for several years after official support has ended. Some people just prefer the older style, cpu, ability to dual boot when you could and more. I respect all of it and admire those people. I think what they do is a great thing. It is not me. But I think any interest in technology is good. Old. New, newest, not so old, oldest. It is all good.
Some of those Intel Macs were beautiful machines with a couple of issues but mostly were very nice. So I get why people like Intel Macs and agree with them, specially since you can get such a nice Intel Mac so cheap but if I had one which I did I would have and did sell it before m1 came out. That is just me.
It is inevitable that Apple, like just about every manufacturer, 'obsoletes' former products over time. In consumer electronics, the time periods are commonly a handful of years after production of a model ceases. It doesn't stop individual users from owning and appreciating these items. Indeed, there's a healthy demand for things like valve (tube) radios, game consoles, pinball machines, and of course old computers, amongst a thousand or more other areas of interest.
In every case, the end of the product's production means little to the use and usability of the item, and in a lot of cases, ongoing support eventually falls from the manufacturer to smaller developers and specialist enthusiasts. It's how, for example, it is easy (and quite inexpensive) to replace the hard drive in an 80s/90s vintage Mac with a fast and efficient SD card and still use the system, or that it's possible to buy a brand new SD-card based storage drive for a 1983 laptop so that it can readily swap data with a modern computer. It never had such a thing while it was actually in production.
So of course Apple will phase out macOS support for Intel systems over time, and has already been doing exactly this for years. My 2006 first-ever Intel model MacBook Pro had macOS support ended probably about 10 years ago, but it still runs perfectly, does exactly what it is supposed to do, and thanks to third party developers, can still largely be used even on today's security-heavy internet. There are still a businesses making replacement parts such as key switches and key caps, hard drive replacements and RAM, and specialist repair shops who can fix it if it needs fixing. In computing terms, it's a valve radio, but it is still capable of use. And, incidentally, since the battery is still good, usable as a workhorse if I'm somewhere I need some computing power but no electricity to plug into.
The reality is that when Apple 'obsolete' a product it's nothing more than that they are saying they don't support it any longer. It doesn't mean no-one else does. It doesn't change the product either, or the use it can be to the user of it.
And, rather amazingly, it also doesn't prevent developers from producing new MacOS versions either.
@turbineseaplane 's MBP is one of the classics - there's every reason to expect it will still be perfectly usable in another 10 years, regardless of where it is on Apple's product road map - or indeed, where ever Apple themselves are.