https://en.wikipedia.org/wiki/Embrace,_extend,_and_extinguish

I still prefer RSS and I wish all blogs would have RSS. That being said, of course it’s great if they offer ActivityPub as well and I hope both are used as wide as possible.

Even you asking this question means you should not. Systemd is perfectly fine for most people and the people that dislike it have their very specific reasons. Just use what your distro gives you, you shouldn’t have to care about these things.