It reminds me of teachers' and professors' attitude towards their classes/courses. From their point of view, it's maybe the only thing they teach or one of 2-3 things and it's the general topic they spend all their time on. From a student's perspective it's one of many courses in various topics. They can't be expected to laser focus on just the class that you teach. But many teachers don't get this concept. They think everything revolves around their course only.

That's funny, because the inverse problem exists too. Many students think that teaching is all that professors do. They assume that the prof's whole life revolves around teaching their class, when in fact the bulk of the prof's job is research, supervision and administration.

Or, more bluntly: realize that your app is a tool, not a goal. Tools should be predictable, reliable, and easy to use correctly.

And intuitive! Since apps are like a blackbox to the user, they shouldn’t do things that make the user hesitate or get confused. With feature creep most apps become an unmanageable piece of mess

This is what frustrates the heck out of me when platforms decide to redo their entire user experience, just because they feel the need to "change something".

Thereby forcing all of their users to learn the new UI immediately, not even with due warning.

One or two platforms doing is in a week or so is a pain. But when lots of platforms do this in a short period of it, it can be "throw hands up in the air and do something else". :(

Maybe the user is like a person walking down the street and your app is your kid with girl scout cookies boxes it's trying to sell, and you're helping it out. :) And it's not about the money as much as the app growing up, or something.