I understand where you are coming from and commend you for trying to support your users (I'd do the same!), but I don't think Apple marketed Rosetta 2 as a permanent solution after the transition.

Another aspect is, a Mac stops getting software updates after ~7 years, and then the API level starts to drift between the latest macOS releases.

So, after 10 year mark, you can't get the latest versions of the applications already since the features developers use aren't available in the older macOS versions and you can't run the software anyway.