dsmitchell1

One of the most common reasons for disabling an otherwise useful eslint rule is the cost of going and updating all of your existing code to follow it.

Often, there isn't a great business case for doing this, and so the lint rule sits disabled while new violations slowly creep in.

suppress-eslint-errors suppresses existing violations so that you can start getting the benefit of the checks against new code.

It appears to be 2004. He indicates that he was hired in 1999, and elsewhere he talks about the number of managers he's had in five years.