Most distros independently decided that SystemD was superior. They had a choice and they chose. Distros are often maintained by volunteers in their free time. Same with software that depends on it. Expecting them to provide poor irrelevant choices is not how open source works. You’re passing on your backbreaking work onto other people. If you want another option, you give your time to make it happen.
There is Alpine and Void Linux which are commonly known of and used. Plus more: https://en.m.wikipedia.org/wiki/Category:Linux_distributions_without_systemd
Most distros independently decided that SystemD was superior. They had a choice and they chose. Distros are often maintained by volunteers in their free time. Same with software that depends on it. Expecting them to provide poor irrelevant choices is not how open source works. You’re passing on your backbreaking work onto other people. If you want another option, you give your time to make it happen.