The default vim config is pretty weird: incremental search is off by default for some reason, I think it still defaults to using tabs for indentation, it doesn't change the working directory to the current file's.
Tabs - That's the way god intended it. Stop trying to force your indentation width on me.
Stable working directory - This is how every text editor I'm aware of works. I can see use cases where you might want to change it manually or automatically, but I don't want to have to guess which directory I'm in every time I open a file.
Even some seeming no brainers like turning syntax highlighting on can be terrible because it doesn't work well with dark backgrounds or other random colour schemes.
vim module/code.cpp
:make