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Most of my professional life has been 80 columns, two spaces for indentation, and an auto formatter. I love it: on a 27" monitor I can have four 81-column terminals side by side, with room for a fifth column wide enough for commands. Being able to see many parts of the codebase side by side is incredibly useful.

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I’m in the same boat. I’d rather have more views than longer lines. Currently have a file tree, three editor columns and one terminal column.

Keeping to a shorter line width makes me write shorter functions with less nesting. In my opinion that leads to higher quality code which is more readable (your mileage may vary, I write Erlang which is very terse and expressive which fits that style very well).

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