We can all make our existence so much better by being more empathetic to other people's positions. In this case the maintainer could've just communicated how he

We can all make our existence so much better by being more empathetic to other people's positions. In this case the maintainer could've just communicated how he would like to see the bug fixed and let the original reporter fix it that way and retain credit. But he just went and did it himself and then made things further worse by using insensitive language. He could've easily added a line to the patch acknowledging the original fix and the effort that went into it. Getting the better technical solution in is in most cases not orthogonal to being better humans. But as it stands, beyond people who get paid for it kernel development is best suited for hobbyists who just have fun figuring things out without any expectation of Internet points.