Earlier quoted context omitted.
>legitimately entitled No, they are not. This isn't an upgrade to their existing OS like a patch release. This is a new OS completely and developers were all warned years in advance that Catalina would drop 32-bit support. This is not a downgrade in the slightest. >but will later I have a Mac Mini from 2005 that still runs MacOS Leopard just as well as the day I bought it. I can't install all the latest, greatest sof…
There's a lot of space in between "Company X has wronged me" and "I'm happy with company X". I feel very let down by Apple right now, and I sense the author does too. As the saying goes: I'm not angry, just disappointed. The fact that macOS updates are optional, and you can downgrade at any time, really does help a great deal here. However, Apple's three years of security updates per release isn't much.
And that is totally fine for you to feel that way. You are not, however, entitled to some kind of reparation for that and, if you wrote a diatribe that was comparable to the OP, I would also say that you're making a mountain out of a molehill.
Something being disappointing to you, individually, does not make it a massive failure for everyone.