I've played DSP, it's a great game too. I'll probably jump back to that when I burn out on Planet Crafter. The thing I don't like about it and Satisfactory is conveyor belt management. The constant battle to rewire the spaghetti.
DSP recently got localized small distribution drones, you can convert any storage box into a tiny logistics station now. It's pretty sweet, really reduces the spaghetti early on in recent playthroughs
I often use UT, Q3 and CS 1.6 as examples of how long a game can stay active when players are given tools to setup their own servers, as opposed to companies handling multiplayer themselves (and often killing it off in a few years).