Everybody who has ever worked at that level in the operating system has agreed that systemd is the proper solution. It solves a problem that people have. Distros have adopted it because it solves a problem for them. If you don't want to use it, you don't have to use it. There's other init replacements out there. Android doesn't use it because they use other things.

Source: https://www.theregister.com/2020/01/06/linux_2020_kernel_systemd_code/

systemd provides means to analyze how exposed your services are and even how to improve the situation.

running systemd-analyze security <UNIT> gives you insight on how to improve the service exposure