They were pretty quick to sunset the PPC version of Rosetta as well. It forces developers to prioritize making the change, or making it clear that their software isn’t supported. It
The one I have my eye on is Minecraft. While not mission critical in anyway, they were fairly quick to update the game itself, but failed to update the launcher. Last time I looked at the bug report, it was close and someone had to re-open it. It’s almost like the devs installed Rosetta2 and don’t realize their launcher is using it.
Rosetta for PPC apps was supported from the first Intel Macs released in January 2006 until 10.7 Lion was released in July 2011.
So just over five years? If Apple phase out Rosetta 2 in macOS 28, then it will have been supported for seven years.