Should people stop upgrading their iPhone every year?

Every year Apple releases a new iPhone and there are people who want the new iPhone especially if there‘s is old. There are people who get the newest iPhone when they don’t need it. For example, someone has the iPhone 15 pro and they want the iPhone 16 pro max. People start complaining when Apple only changes a few features or adds a few new features. They start complaining when the phone that they currently have isn’t that old. I think that people should only be upgrading their iPhone only if there iPhone won’t update anymore or they can’t download apps because it requires a certain IOS and they can’t update their phone any. Also if their iPhone is old. For example someone who has an iPhone 6 Plus and wants the 16 pro max can get one because for them it will be a significant upgrade since they will be getting a lot of new features that their iPhone 6 Plus didn’t have.