Pommes_für_dein_Balg

This isn’t like a phone OS where they add ressource-draining new features every 6 months.
If your computer can run the OS at installation, it’ll be able to run it for a long time.
One good reason not to use Arch is if you have a limited internet connection.
Updates are often 1 GB or more per week, depending on what you have installed.
So if that’s an issue, Debian is the better choice.

People asking for distro recommendations usually ask for their desktop.

Debian is great, but it’s hardly ever the best choice for a desktop, at least not for the kind of people who ask for distro recommendations.