The leaked material from which this came was described as being from 2017, which makes that the latest this could have been written - GitHub only changed the default for new repos in October of 2020, and there had only been consensus building around the switch for a couple of years beforehand.
The leaked material from which this came was described as being from 2017, which makes that the latest this could have been written - GitHub only changed the default for new repos in October of 2020, and there had only been consensus building around the switch for a couple of years beforehand.