In the general case, you are right. However then it becomes hard to even talk about the game and particularly the difference between finding what amounts to an

In the general case, you are right. However then it becomes hard to even talk about the game and particularly the difference between finding what amounts to an easter egg, or solving a problem. As puzzles you don't spend a lot of time thinking about them, trying to work out the solution. Either you notice them or you don't. That's why i qualified it with the word "puzzle-wise".