The author expresses frustration with GitHub Actions, citing a recent experience where a build failed on one platform due to inconsistent setup. The author had to spend time debugging and troubleshooting, and eventually moved the logic to a GNU Makefile to avoid further issues. The author argues that GitHub Actions can be problematic and that it's better to keep logic under one's own control. The author also mentions that GitHub Actions has some benefits, such as easy setup for macOS builds.