Then feel free to use shell based init. Meanwhile, there is a strong concensus in Linux distros that the maintainers thought shell scripts were not sexy, and systemd unit files were, and thus everyone has / is switching.
"Everyone" has not switched nor is "everyone" switching.
Most distros are yes. Some are not. Personally I like shell scripts and plan to continue using them as long as feasible. They work, and when/if they don't, I can usually find out why.
"Strong consensus" might be good argument for some people. I personally find it a fallacious appeal to popularity.
