For my own part, I will not install a game (or any software) that needs an internet connection, a registration, has some sort of DRM or does not run in user space alone. To be provocative, one either has the idea for a nice game that's worth spending money on (e.g. Factorio, KSP), or not. They are not that many. But if they must rely on ads to boost their income, they're not my cup of tea anyway.
@KanataEXE , I would say that a game for a tutorial doesn't need golden handles, bells and whistles. Too much info might distract people from the underlying principles. It is not much that even a good teacher can transport in an hour lecture. People often tend to pack too much into it. That doesn't mean it should be repetitive, but just enough to give the listeners the feeling of achievement. It is an edge to walk, and you have no feedback like in a classroom.
Disclaimer: I have heard for decades that I am a bad teacher :-/