We had to pick an arbitrary point, and 80 had enough history to make it common. I definitely pass 80 characters when it makes sense, and I use the appropriate

We had to pick an arbitrary point, and 80 had enough history to make it common. I definitely pass 80 characters when it makes sense, and I use the appropriate pragmas to make rubocop understand not to warn me. But for the most part, 80 characters as a limit helps me know when my lines are getting to long.