If you like to actually read the code, then being able to search for a variable name really helps comprehension. Shadowing makes that harder, by introducing mul

If you like to actually read the code, then being able to search for a variable name really helps comprehension. Shadowing makes that harder, by introducing multiple distinct objects with the same name. Now you need something like an IDE to easily follow the lifetime of an object. Introducing a heavyweight dependency like that, as a prerequisite for simply following the code easily, is... a poor choice.